CN206191585U - Be applied to low -grade fever optoelectronic system's combustor - Google Patents
Be applied to low -grade fever optoelectronic system's combustor Download PDFInfo
- Publication number
- CN206191585U CN206191585U CN201621215937.1U CN201621215937U CN206191585U CN 206191585 U CN206191585 U CN 206191585U CN 201621215937 U CN201621215937 U CN 201621215937U CN 206191585 U CN206191585 U CN 206191585U
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- CN
- China
- Prior art keywords
- combustion chamber
- burner
- optoelectronic system
- potsherd
- porous media
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Abstract
The utility model provides a be applied to low -grade fever optoelectronic system's combustor, include combustion chamber upper portion, some firearm, combustion chamber lower part, combustion chamber upper portion with the high -temperature resistant adhesive adhesion is passed through to the combustion chamber lower part, the lower part and the combustion chamber upper portion cross -section of combustion chamber are the rectangle, be equipped with the regional and porous medium region of tail gas treatment in the upper portion of combustion chamber, it is regional that a plurality of catalytic combustion are cut apart into through the potsherd in the combustion chamber lower part, with the long limit facial features neighbour's of combustion chamber lower part potsherd single face coating catalyst, and with the long limit every detail of combustion chamber lower part face to face. Combustion chamber upper portion with set up some firearms between the lower part of combustion chamber, and insert in the catalytic combustion region. The utility model discloses can realize under the small yardstick the stable high -efficient burning under many fuel and the various limit conditions, can provide stable wall high temperature, improving energy efficiency greatly simultaneously, reduction environmental pollution.
Description
Technical field
The utility model is related to the hot photovoltaic energy conversion technical field of minute yardstick, more particularly to one kind to be applied to low-grade fever light
The burner of electric system.
Background technology
With small electronic mechanical system demand increase, and miniature scale process technology fast development, microkinetic
Mechanical system turns into the focus of current research.The system is based on the burning of fuel, and with energy density (about conventional lithium electricity high
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 is burnt in the burner the chemical energy of release using fuel, is 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, core component-the micro combustor of micro thermo optoelectronic system
Much smaller size of the size than traditional combustion room, so also generate it is many on minute yardstick stabilization burning in terms of difficulty
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
Obtain living radical increases with the collision frequency of wall, so as to reduce the quantity of free radical in combustion reaction, causes burning not
Fully, chemical reaction rate reduction, and easily there is flame-out phenomenon.
In micro thermo optoelectronic system, it is crucial to obtain the burner wall with radiation energy high.Although face body than increase
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
The radiation energy of unit area in effect lifting combustion chamber wall surface, beneficial to the hot photoelectric energy transformation efficiency of lifting.At present, conventional micro- chi
There are shortcomings in degree combustion chamber, such as outside wall surface temperature-difference is big, and temperature distributing disproportionation is even etc., and this is also unfavorable for lifting low-grade 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 burning velocity that can greatly improve fuel and flame combustion speed.In consideration of it, the utility model will be catalyzed firing
Burn and multi-hole medium combustion technology be combined, design the new micro-burner for possessing radiation energy high, with reach cleaning, it is efficient,
The purpose of stabilization burning.
The content of the invention
For Shortcomings in the prior art, the utility model provides a kind of burning for being applied to micro thermo optoelectronic system
Device, the advantage of lower cost of the burner, simple structure can realize multi fuel and various lean combustions (or fuel-rich) pole under miniature scale
Stability and high efficiency burning under the conditions of limit, can provide the wall high temperature of stabilization, while energy utilization rate can be greatly improved, reduce
Environmental pollution.
The utility model is to realize above-mentioned technical purpose by following technological means.
A kind of burner for being applied to micro thermo optoelectronic system, including combustion chamber top, igniter, combustion chamber bottom；It is described
Combustion chamber top passes through high-temperature plastic adhesion with the combustion chamber bottom；The bottom and combustion chamber top section of the combustion chamber are
Rectangle；Vent gas treatment region and porous media region are provided with the combustion chamber top；At the porous media region and tail gas
Packing material is porous media, porous media impregnated catalyst in the vent gas treatment region in reason region；Under the combustion chamber
The potsherd that portion passes through to be vertically arranged is divided into multiple fluid passages, long side of the potsherd parallel to the combustion chamber bottom
Face, and it is Nian Jie with the short side face of the combustion chamber bottom by high-temperature plastic；The side face long coating catalysis of the combustion chamber bottom
Agent；Adjacent with the side face long of combustion chamber bottom potsherd one side coating catalyst, and with the length of the combustion chamber bottom
Side face is face-to-face；The potsherd in the side face long, short side face and one side coating catalyst of the combustion chamber bottom forms catalysis burning
Region；Igniter is set between the combustion chamber top and the combustion chamber bottom, and is inserted in the catalytic combustion zone domain.
Further, the bottom of the combustion chamber and combustion chamber top material are low thermal conductivity material.
Further, the bottom of the combustion chamber is ceramic material.
Further, the combustion chamber top is printing opacity quartz glass high.
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 igniter is ignition.
Further, catalyst is noble metal or metal oxide containing precious metals.
The beneficial effects of the utility model are
1. heat release there is on catalysis wall in the burner for being applied to micro thermo optoelectronic system described in the utility model, fuel
Reaction, improves the temperature of wall, reduces being quenched for living radical, has also preheated unburned fuel mixture in passage.Due to
Catalyst has adsorptive selectivity, so selecting the different catalysis materials can effectively to reduce the generation of intermediate product, reduces pollution
The generation of thing (such as nitrogen oxides).
2. the burner for being applied to micro thermo optoelectronic system described in the utility model, adopts porous media with ratio table higher
Area and specific heat capacity, can fix high temperature source, increase the exchange rate between gas and solid, lift the uniform of Temperature Distribution
Property.The self structure of porous media can extend fuel residence time, and overheavy firing process improves combustion safety and stabilization
Property；The high heat conductance of porous media and intense radiation effect can make reaction liberated heat that the stream for closing on upstream is transmitted to downstream
Body medium.
3. the burner for being applied to micro thermo optoelectronic system described in the utility model, under the conditions of minute yardstick, fuel is stayed
Time short insufficient, the relatively low shortcoming of combustion chamber downstream wall surface temperature of burning is stayed, is filled using the porous media of supported catalyst
To burning gallery afterbody, efficiency of combustion, wall surface temperature are on the one hand improved；On the other hand, the discharge of pollutant is reduced.
4. the burner for being applied to micro thermo optoelectronic system described in the utility model, is fired using catalysis burning and porous media
Burning technology is combined, and the purpose such as stabilization burning, efficient, low stain, easy to operate is reached, with the novelty in principle.
5. the burner for being applied to micro thermo optoelectronic system described in the utility model, can be expanded using tail gas disposal technique
The use scope of fuel, greatly lifts the applicability of burner.
6. the burner for being applied to micro thermo optoelectronic system described in the utility model, the utility model technology can be realized micro-
Small processing and batch production, possess popularization condition.
Brief description of the drawings
Fig. 1 is the structural representation of the burner for being applied to micro thermo optoelectronic system described in the utility model.
Fig. 2 is the partial structural diagram in porous media region described in the utility model.
Fig. 3 is catalytic combustion zone domain structure schematic diagram described in the utility model.
In figure：
1- combustion chambers top；2- igniters；3- combustion chambers bottom；4- catalytic combustion zones domain；5- porous medias region；6- tails
Gas disposal region；7- potsherds；8- catalyst；9- porous medias；10- side faces long；11- short sides face.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further described to the utility model, but guarantor of the present utility model
Shield scope is not limited to this.
Under the burner for being applied to micro thermo optoelectronic system shown in Fig. 1, including combustion chamber top 1, igniter 2, combustion chamber
Portion 3；The combustion chamber top 1 is with the combustion chamber bottom 3 by high-temperature plastic adhesion, the bottom and combustion chamber of the combustion chamber
Top material is low thermal conductivity material, and the bottom of the combustion chamber is ceramic material, and the combustion chamber top is light transmitting stone high
English glass；The bottom 3 of the combustion chamber and the rectangular cross-section of combustion chamber top 1；Vent gas treatment is provided with the combustion chamber top 1
Region 6 and porous media region 5；Packing material is porous media 9, institute in the porous media region 5 and vent gas treatment region 6
The impregnated catalyst 8 of porous media 9 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 combustion chamber bottom 3 is divided into multiple fluid passages by potsherd 7, potsherd 7 has porous Jie of support
The effect of matter 9.The potsherd 7 parallel to the combustion chamber bottom 3 side face 10 long, it is and short with the combustion chamber bottom 3
Side face 11 is bonded by high-temperature plastic；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 side face 10 long coating of the combustion chamber bottom 3 is urged
Agent 8；Adjacent with the side face 10 long of the combustion chamber bottom 3 one side of potsherd 7 coating catalyst 8, and with the combustion chamber
The side face 10 long of bottom 3 is face-to-face.The pottery in the side face 10 long, short side face 11 and one side coating catalyst 8 of the combustion chamber bottom 3
Ceramics 7 forms catalytic combustion zone domain 4；Igniter 2 is set between the combustion chamber top 1 and the combustion chamber bottom 3, and is inserted
In the catalytic combustion zone domain 4.Igniter 2 selects ignition, and ignition electrode is plain conductor.
During work, fuel and oxidant mixture enter the combustion chamber top 1 and the combustion chamber bottom 3 after premix
The burning gallery of composition, is lighted a fire by igniter 2, and ignite mixture, and the catalytic reaction in catalytic combustion zone domain 4 is initiated immediately, is applied
The heat that the side face 10 long and potsherd 7 for covering the combustion chamber bottom 3 of catalyst 8 are 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 of release of burning is porous
The temperature of medium 9, so as to obtain the high temperature heat source with radiation energy high；The flue gas for generating that burns enters vent gas treatment region 6, by
In catalyst can further to flue gas in unburned fuel or the complete intermediate product of unreacted carry out catalytic reaction, reaction generation heat
Heat with flue gas is transmitted in the porous media 9 with catalyst, and taken care of yourself has depositing for high temperature heat source in vent gas treatment region
.The application of these technologies can preferably realize the utility model, reach efficient, stable, combustion with reduced pollutants purpose.
In 0.6-0.95, the material of the porous media 9 is corundum or carbon to the material preferable porosity of the porous media 9
SiClx or zirconium oxide.
The embodiment for it is of the present utility model preferred embodiment, but the utility model is not limited to above-mentioned embodiment party
Formula, in the case of without departing substantially from substance of the present utility model, it is any apparent that those skilled in the art can make
Improvement, replace or modification belong to protection domain of the present utility model.
Claims (10)
1. a kind of burner for being applied to micro thermo optoelectronic system, it is characterised in that including combustion chamber top (1), igniter (2),
Combustion chamber bottom (3)；
The combustion chamber top (1) is with the combustion chamber bottom (3) by high-temperature plastic adhesion；The bottom (3) of the combustion chamber
With combustion chamber top (1) rectangular cross-section；
Vent gas treatment region (6) and porous media region (5) are provided with the combustion chamber top (1)；The porous media region
(5) and vent gas treatment region (6) interior packing material be porous media (9), the interior porous media of the vent gas treatment region (6) (9)
Impregnated catalyst (8)；The combustion chamber bottom (3) is divided into multiple fluid passages by the potsherd (7) being vertically arranged, described
Potsherd (7) parallel to the combustion chamber bottom (3) side face (10) long, and by high-temperature plastic and the combustion chamber bottom
(3) short side face (11) bonding；The side face (10) long of the combustion chamber bottom (3) coats catalyst (8)；Under the combustion chamber
Adjacent potsherd (7) one side of the side face (10) long in portion (3) coats catalyst (8), and with the side long of the combustion chamber bottom (3)
Face (10) is face-to-face；The pottery of the side face (10) long, short side face (11) and one side coating catalyst (8) of the combustion chamber bottom (3)
Ceramics (7) forms catalytic combustion zone domain (4)；
Igniter (2) is set between the combustion chamber top (1) and the combustion chamber 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 combustion chamber
Portion (3) and combustion chamber 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 combustion chamber
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 combustion chamber top
(1) it is printing opacity quartz glass high.
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 igniter (2)
It is ignition.
10. the burner for being applied to micro thermo optoelectronic system according to claim 1, it is characterised in that the catalyst (8)
It is noble metal or metal oxide containing precious metals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215937.1U CN206191585U (en) | 2016-11-10 | 2016-11-10 | Be applied to low -grade fever optoelectronic system's combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215937.1U CN206191585U (en) | 2016-11-10 | 2016-11-10 | Be applied to low -grade fever optoelectronic system's combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206191585U true CN206191585U (en) | 2017-05-24 |
Family
ID=58734084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621215937.1U Withdrawn - After Issue CN206191585U (en) | 2016-11-10 | 2016-11-10 | Be applied to low -grade fever optoelectronic system's combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206191585U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524143A (en) * | 2016-11-10 | 2017-03-22 | 江苏大学 | Burner applied to microthermophotovoltaic system |
| CN111765457A (en) * | 2020-06-28 | 2020-10-13 | 江苏科技大学 | Combined micro burner using waste heat |
-
2016
- 2016-11-10 CN CN201621215937.1U patent/CN206191585U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524143A (en) * | 2016-11-10 | 2017-03-22 | 江苏大学 | Burner applied to microthermophotovoltaic system |
| CN106524143B (en) * | 2016-11-10 | 2018-11-09 | 江苏大学 | A kind of burner applied to micro thermo optoelectronic system |
| CN111765457A (en) * | 2020-06-28 | 2020-10-13 | 江苏科技大学 | Combined micro burner using waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20181109 |
|
| AV01 | Patent right actively abandoned |