CN106524143A - Burner applied to microthermophotovoltaic system - Google Patents
Burner applied to microthermophotovoltaic system Download PDFInfo
- Publication number
- CN106524143A CN106524143A CN201610993513.6A CN201610993513A CN106524143A CN 106524143 A CN106524143 A CN 106524143A CN 201610993513 A CN201610993513 A CN 201610993513A CN 106524143 A CN106524143 A CN 106524143A
- Authority
- CN
- China
- Prior art keywords
- combustor
- burner
- chamber portion
- face
- optoelectronic system
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C13/00—Apparatus in which combustion takes place in the presence of catalytic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C13/00—Apparatus in which combustion takes place in the presence of catalytic material
- F23C13/08—Apparatus in which combustion takes place in the presence of catalytic material characterised by the catalytic material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/13001—Details of catalytic combustors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention provides a burner applied to a microthermophotovoltaic system. The burner comprises an upper burning chamber portion, an igniter and a lower burning chamber portion; the upper burning chamber portion is adhered with the lower burning chamber portion through a high temperature-resistant adhesive; the cross sections of the upper burning chamber portion and the lower burning chamber portion are rectangular; a tail gas processing area and a porous medium area are arranged in the upper burning chamber portion; the lower burning chamber portion is divided into a plurality of catalytic burning areas by ceramic sheets, one side of the ceramic sheet adjacent to the long edge of the lower burning chamber portion is coated with a catalyst, and the ceramic sheets face the long edge surfaces of the lower burning chamber portion. The igniter is arranged between the upper burning chamber portion and the lower burning chamber portion, and is inserted to the catalytic burning areas. The burner can realize stable and high-efficiency burning of multiple fuels and various limiting conditions in a minimal scale, provides a stable wall surface high temperature, greatly improves the energy utilization rate, and reduces environment pollution.
Description
Technical field
The present invention relates to the hot photovoltaic energy conversion technical field of minute yardstick, more particularly to one kind is applied to slight fever Opto-electrical Section
The burner of system.
Background technology
As the demand of small electronic mechanical system increases, and the fast development of miniature scale process technology, micro power
Mechanical system becomes the focus of current research.Burning of the system based on fuel, and there is high (the about conventional lithium electricity of energy density
Tens times of pond), the features such as small volume (generally below grade).Micro thermo optoelectronic system is micro- as a kind of movement-less part
Power machinery system, its principle are the chemical energy of release of being burnt using fuel in the burner, are converted to the spoke of burner wall
Energy is penetrated, is recycled photovoltaic cell to carry out opto-electronic conversion and is produced electric energy.However, the core component micro combustor of micro thermo optoelectronic system
Size than the much smaller size of traditional combustion room, so also generate many difficulties in terms of minute yardstick stably burning
Topic.The surface-to-volume ratio (face body ratio) of such as micro-scale gas flow room than conventional yardstick under it is big, this causes combustion chamber wall surface
Heat scatter and disappear greatly increase, had a strong impact on burning stability and chemical reaction rate；Meanwhile, the increase of surface to volume ratio makes
The collision frequency that living radical is obtained with wall increases, and so as to reduce the quantity of free radical in combustion reaction, causes burning not
Fully, chemical reaction rate is reduced, and flame-out phenomenon easily occurs.
In micro thermo optoelectronic system, it is crucial to obtain the burner wall with high radiation energy.Although the increase of face body ratio
Many above-mentioned problems for being unfavorable for burning are brought, but for micro thermo optoelectronic system, the high face-body-rate of micro combustor can have
Effect lifts the radiation energy of unit area in combustion chamber wall surface, beneficial to the hot photoelectric energy transformation efficiency of lifting.At present, conventional micro- chi
There are shortcomings in degree combustor, such as outside wall surface temperature-difference is big, and temperature distributing disproportionation is even etc., and this is also unfavorable for lifting slight fever light
The energy conversion efficiency of electric system.
However, wall surface temperature can be effectively improved using catalysis combustion system, the hot-quenching effect of putting out and pollutant are reduced
Discharge, improves efficiency of combustion, can finally stablize and promote burning.Using multi-hole medium combustion technology, burn the heat for producing
Unburned premix fuel is passed to by itself heat conduction and radiation effects, high-temperature flue gas waste heat also can be by the heat storage capacity of itself
Reclaimed, this can greatly improve the burning velocity of fuel and flame combustion speed.In consideration of it, the present invention will be catalyzed burning and
Multi-hole medium combustion technology combines, and designs the new micro-burner for possessing high radiation energy, with reach cleaning, efficiently, it is stable
The purpose of burning.
The content of the invention
For Shortcomings in prior art, the invention provides a kind of burner for being applied to micro thermo optoelectronic system, is somebody's turn to do
The advantage of lower cost of burner, simple structure can realize multi fuel and various lean combustions (or fuel-rich) limit bar under miniature scale
Stability and high efficiency burning under part, can provide stable wall high temperature, while energy utilization rate can be greatly improved, reduce environment
Pollution.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of burner for being applied to micro thermo optoelectronic system, including combustor top, lighter, combustor bottom；It is described
Combustor top passes through high-temperature plastic adhesion with the combustor bottom；The bottom and combustor top section of the combustor is
Rectangle；Vent gas treatment region and porous media region are provided with the combustor top；At the porous media region and tail gas
Reason region in packing material be porous media, porous media impregnated catalyst in the vent gas treatment region；Under the combustor
Portion is divided into multiple fluid passages, long side of the potsherd parallel to the combustor bottom by the potsherd being vertically arranged
Face, and it is bonding with the minor face face of the combustor bottom by high-temperature plastic；The long side face coating catalysis of the combustor bottom
Agent；The potsherd one side coating catalyst adjacent with the long side face of the combustor bottom, and the length with the combustor bottom
Side face is face-to-face；The potsherd in the long side face, minor face face and one side coating catalyst of the combustor bottom forms catalysis burning
Region；Lighter is set between the combustor top and the combustor bottom, and is inserted in the catalytic combustion zone domain.
Further, the bottom of the combustor and combustor top material are low thermal conductivity material.
Further, the bottom of the combustor is ceramic material.
Further, the combustor top is high printing opacity quartz glass.
Further, the thickness of the potsherd is 0.2-0.4mm, and the distance between every potsherd is 0.2-0.6mm.
Further, the potsherd material is carborundum or phosphatization silicon or silicon nitride.
Further, the porous media material porosity is in 0.6-0.95.
Further, the porous media material is corundum or carborundum or zirconium oxide.
Further, the lighter is ignition.
Further, catalyst is noble metal or metal oxide containing precious metals.
The beneficial effects of the present invention is
1. the burner for being applied to micro thermo optoelectronic system of the present invention, it is anti-to there is heat release in fuel on catalysis wall
Should, the temperature of wall is improve, being quenched for living radical is reduced, has also been preheated unburned fuel mixture in passage.Due to urging
Agent has adsorptive selectivity, so selecting different catalysis materials effectively reduce the generation of intermediate product, reduces pollutant
The generation of (such as nitrogen oxides).
2. the burner for being applied to micro thermo optoelectronic system of the present invention, adopts porous media with higher specific surface area
And specific heat capacity, high temperature source can be fixed, increases the exchange rate between gas and solid, lift the uniformity of Temperature Distribution.
The self structure of porous media can extend fuel residence time, and overheavy firing process improves combustion safety and stability；It is many
The high heat conductance of hole medium and intense radiation effect can make reaction liberated heat that fluid Jie for closing on upstream is passed to downstream
Matter.
3. the burner for being applied to micro thermo optoelectronic system of the present invention, under the conditions of minute yardstick, when fuel is resident
Between it is short burning insufficient, the low shortcoming of combustor downstream wall surface temperature, filled to combustion using the porous media of supported catalyst
Burn through road afterbody, on the one hand improves efficiency of combustion, wall surface temperature；On the other hand, reduce the discharge of pollutant.
4. the burner for being applied to micro thermo optoelectronic system of the present invention, is burnt and multi-hole medium combustion skill using catalysis
Art combines, and reaches the purpose such as stable burning, efficient, low stain, easy to operate, with the novelty in principle.
5. the burner for being applied to micro thermo optoelectronic system of the present invention, can expand fuel using tail gas disposal technique
Use range, greatly lifted burner the suitability.
6. the burner for being applied to micro thermo optoelectronic system of the present invention, the technology of the present invention can realize small processing and
Batch production, possesses popularization condition.
Description of the drawings
Fig. 1 is the structural representation of the burner for being applied to micro thermo optoelectronic system of the present invention.
Fig. 2 is the partial structural diagram in porous media region of the present invention.
Fig. 3 is catalytic combustion zone domain structure schematic diagram of the present invention.
In figure：
1- combustor top；2- lighters；3- combustor bottom；4- catalytic combustion zones domain；5- porous medias region；6- tails
Gas disposal region；7- potsherds；8- catalyst；9- porous medias；The long side faces of 10-；11- minor faces face.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
Under the burner for being applied to micro thermo optoelectronic system shown in Fig. 1, including combustor top 1, lighter 2, combustor
Portion 3；The combustor top 1 passes through high-temperature plastic adhesion, the bottom of the combustor and combustor with the combustor bottom 3
Top material is low thermal conductivity material, and the bottom of the combustor is ceramic material, and the combustor top is high light transmitting stone
English glass；1 rectangular cross-section of bottom 3 and combustor top of the combustor；Vent gas treatment is provided with the combustor top 1
Region 6 and porous media region 5；In the porous media region 5 and vent gas treatment region 6 packing material be porous media 9, institute
9 impregnated catalyst 8 of porous media in vent gas treatment region 6 is stated, the catalyst 8 is noble metal or metal oxide containing precious metals；Knot
Close shown in Fig. 3, the combustor bottom 3 is divided into multiple fluid passages, potsherd 7 that there is support porous to be situated between by potsherd 7
The effect of matter 9.Long side face 10 of the potsherd 7 parallel to the combustor bottom 3, and it is short with the combustor bottom 3
Side face 11 passes through high-temperature plastic bonding；The thickness of potsherd 7 is 0.2-0.4mm, and the distance between every potsherd is 0.2-
0.6mm, potsherd is preferably with materials such as carborundum, phosphatization silicon or silicon nitrides；The long coating of side face 10 of the combustor bottom 3 is urged
Agent 8；Adjacent with the long side face 10 of the combustor bottom 37 one side of potsherd coating catalyst 8, and with the combustor
The long side face 10 of bottom 3 is face-to-face.The pottery in the long side face 10, minor face face 11 and one side coating catalyst 8 of the combustor bottom 3
Ceramics 7 forms catalytic combustion zone domain 4；Lighter 2 is set between the combustor top 1 and the combustor bottom 3, and is inserted
In the catalytic combustion zone domain 4.Lighter 2 selects ignition, and ignition electrode is plain conductor.
During work, fuel and oxidant mixture enter the combustor top 1 and the combustor bottom 3 Jing after premix
The burning gallery of composition, is lighted a fire by lighter 2, and ignite mixture, and the catalytic reaction in catalytic combustion zone domain 4 is initiated immediately, is applied
The heat that the long side face 10 and potsherd 7 for covering the combustor bottom 3 of catalyst 8 is generated by reaction, while also having preheated
Mouth mixture.When non-burning mixt enters porous media region 5, there is combustion reaction, the heat lift porous of release of burning
The temperature of medium 9, so as to obtain the high temperature heat source with high radiation energy；The flue gas that burning is generated enters vent gas treatment region 6, by
In catalyst can further to flue gas in unburned fuel or unreacted completely intermediate product carries out catalytic reaction, reaction generates heat
Transmit in the porous media 9 with catalyst with the heat of flue gas, having taken care of yourself has depositing for high temperature heat source in vent gas treatment region
.The present invention can be preferably realized in the application of these technologies, reach the purpose of efficient, stable, combustion with reduced pollutants.
In 0.6-0.95,9 material of the porous media is corundum or carbon to the material preferable porosity of the porous media 9
SiClx or zirconium oxide.
The embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, not
In the case of the flesh and blood of the present invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (10)
1. a kind of burner for being applied to micro thermo optoelectronic system, it is characterised in that including combustor top (1), lighter (2),
Combustor bottom (3)；
The combustor top (1) is with the combustor bottom (3) by high-temperature plastic adhesion；The bottom (3) of the combustor
With combustor top (1) rectangular cross-section；
Vent gas treatment region (6) and porous media region (5) are provided with the combustor top (1)；The porous media region
And vent gas treatment region (6) interior packing material is porous media (9), the interior porous media (9) of the vent gas treatment region (6) (5)
Impregnated catalyst (8)；The combustor bottom (3) is divided into multiple fluid passages by the potsherd (7) being vertically arranged, described
Long side face (10) of the potsherd (7) parallel to the combustor bottom (3), and pass through high-temperature plastic and the combustor bottom
(3) minor face face (11) bonding；The long side face (10) coating catalyst (8) of the combustor bottom (3)；Under the combustor
Potsherd (7) one side that the long side face (10) in portion (3) is adjacent coats catalyst (8), and the long side with the combustor bottom (3)
Face (10) is face-to-face；The pottery of the long side face (10), minor face face (11) and one side coating catalyst (8) of the combustor bottom (3)
Ceramics (7) forms catalytic combustion zone domain (4)；
Lighter (2) is set between the combustor top (1) and the combustor bottom (3), and inserts the catalysis burning
In region (4).
2. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that under the combustor
Portion (3) and combustor top (1) material are low thermal conductivity material.
3. the burner for being applied to micro thermo optoelectronic system according to claim 2, it is characterised in that under the combustor
Portion (3) is ceramic material.
4. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the combustor top
(1) it is high printing opacity quartz glass.
5. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the potsherd (7)
Thickness be 0.2-0.4mm, the distance between every potsherd is 0.2-0.6mm.
6. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the potsherd (7)
Material is carborundum or phosphatization silicon or silicon nitride.
7. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the porous media
(9) material porosity is in 0.6-0.95.
8. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the porous media
(9) material is corundum or carborundum or zirconium oxide.
9. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the lighter (2)
For ignition.
10. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the catalyst (8)
For noble metal or metal oxide containing precious metals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993513.6A CN106524143B (en) | 2016-11-10 | 2016-11-10 | A kind of burner applied to micro thermo optoelectronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993513.6A CN106524143B (en) | 2016-11-10 | 2016-11-10 | A kind of burner applied to micro thermo optoelectronic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106524143A true CN106524143A (en) | 2017-03-22 |
| CN106524143B CN106524143B (en) | 2018-11-09 |
Family
ID=58351168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610993513.6A Active CN106524143B (en) | 2016-11-10 | 2016-11-10 | A kind of burner applied to micro thermo optoelectronic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106524143B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706861A (en) * | 2020-06-29 | 2020-09-25 | 江苏大学 | Spiral-flow type air inlet porous medium burner for micro-thermal photoelectricity |
| CN112555818A (en) * | 2020-11-25 | 2021-03-26 | 江苏大学 | Micro-combustor for burning liquid fuel applied to micro-thermophotovoltaic system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060286498A1 (en) * | 2005-06-15 | 2006-12-21 | Daimlerchrysler Ag | Porous burner having a flame barrier |
| CN101040147A (en) * | 2004-10-13 | 2007-09-19 | 韦巴斯托股份公司 | Burner device with a porous body |
| CN101929676A (en) * | 2010-08-05 | 2010-12-29 | 西安交通大学 | Catalytic porous medium burner |
| CN206191585U (en) * | 2016-11-10 | 2017-05-24 | 江苏大学 | Be applied to low -grade fever optoelectronic system's combustor |
-
2016
- 2016-11-10 CN CN201610993513.6A patent/CN106524143B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101040147A (en) * | 2004-10-13 | 2007-09-19 | 韦巴斯托股份公司 | Burner device with a porous body |
| US20060286498A1 (en) * | 2005-06-15 | 2006-12-21 | Daimlerchrysler Ag | Porous burner having a flame barrier |
| CN101929676A (en) * | 2010-08-05 | 2010-12-29 | 西安交通大学 | Catalytic porous medium burner |
| CN206191585U (en) * | 2016-11-10 | 2017-05-24 | 江苏大学 | Be applied to low -grade fever optoelectronic system's combustor |
Non-Patent Citations (1)
| Title |
|---|
| 唐爱坤等: "燃烧室结构对微热光电系统能量转换的影响分析", 《兵工学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706861A (en) * | 2020-06-29 | 2020-09-25 | 江苏大学 | Spiral-flow type air inlet porous medium burner for micro-thermal photoelectricity |
| CN111706861B (en) * | 2020-06-29 | 2022-07-22 | 江苏大学 | Spiral-flow type air inlet porous medium burner for micro-thermal photoelectricity |
| CN112555818A (en) * | 2020-11-25 | 2021-03-26 | 江苏大学 | Micro-combustor for burning liquid fuel applied to micro-thermophotovoltaic system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106524143B (en) | 2018-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4828481A (en) | Process and apparatus for high temperature combustion | |
| US4643667A (en) | Non-catalytic porous-phase combustor | |
| CN104089287B (en) | Cylindrical radiation porous medium heater capable of achieving diffusive combustion in cavity | |
| CN202056882U (en) | Microminiature combustor | |
| CN110360555A (en) | A kind of burner and its application for high temperature solid fuel cell | |
| CN101482266A (en) | Low-calorific value gas double pre-heating heat accumulation type radiant tube | |
| CN104595897B (en) | Single-layer porous foam ceramic plate partial pre-mixing fuel gas combustor | |
| CN100498061C (en) | High power gas catalytic burner | |
| TW201327884A (en) | A combustor applied in thermophotovoltaic system | |
| CN206191585U (en) | Be applied to low -grade fever optoelectronic system's combustor | |
| CN106524143A (en) | Burner applied to microthermophotovoltaic system | |
| CN104930513A (en) | Fuel-gas-catalyzing flameless near-infrared direct heating porous medium combustor | |
| CN111706861B (en) | Spiral-flow type air inlet porous medium burner for micro-thermal photoelectricity | |
| CN105674260A (en) | Miniature liquid burner adopting double-preheating structure and burning method of liquid burner | |
| CN202082933U (en) | Integrated air and coal gas double-heat-storage type burner nozzle with multiple thin flow strands | |
| CN102135272A (en) | Micro diffusion combustor | |
| EA016134B1 (en) | Diluted combustion | |
| CN107504487B (en) | Continuous dispersion type combustion device and method for forming continuous dispersion type combustion | |
| CN104633657A (en) | Porous media burner with taper type bluff bodies | |
| CN207880834U (en) | A kind of microminiature swiss roll burner suitable for non-premixed combustion | |
| CN106524144B (en) | A kind of micro combustor for micro thermo optoelectronic system | |
| US10488039B2 (en) | Method for surface stabilized combustion (SSC) of gaseous fuel/oxidant mixtures and a burner design thereof | |
| CN109237470A (en) | A kind of the minisize liquid burner and its combustion method of the porous injecting type of cylinder | |
| CN108131670B (en) | Microminiature Swiss coil burner suitable for non-premixed combustion | |
| CN112555818A (en) | Micro-combustor for burning liquid fuel applied to micro-thermophotovoltaic system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |