CN204513375U - A kind of novel electrified combustion chamber - Google Patents
A kind of novel electrified combustion chamber Download PDFInfo
- Publication number
- CN204513375U CN204513375U CN201420835445.7U CN201420835445U CN204513375U CN 204513375 U CN204513375 U CN 204513375U CN 201420835445 U CN201420835445 U CN 201420835445U CN 204513375 U CN204513375 U CN 204513375U
- Authority
- CN
- China
- Prior art keywords
- staving
- body case
- over body
- layer
- combustion chamber
- 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.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 35
- 239000000446 fuel Substances 0.000 claims abstract description 36
- 235000012489 doughnuts Nutrition 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003546 flue gas Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model relates to a kind of novel electrified combustion chamber, the top board comprising over body case and be connected in one with over body case, a blowhole on described over body case sidepiece edge, and be positioned at opposite side portion edge and be provided with another blowhole, and two hand-holes are not in same level, described top board is provided with two plup inlets; It is characterized in that, described over body case is inner is outwards provided with most one deck staving, second layer staving and third layer staving successively from inner, the lower end of described over body case and the axle center extended spot being positioned at ground floor staving is provided with central point fire hole; Between over body case and third layer staving, be provided with air duct, and this air duct is connected with blowhole.The beneficial effects of the utility model are: adopt fuel channel and combustor surface to be provided with spiral type thread, not only add heat exchange area, strengthen the heat transfer of fuel and high-temperature flue gas; And add catalyst area; In combustion chamber, relative size is wider, its objective is that the flowing velocity simultaneously reducing fluid improves the efficiency of burning in order to make fuel have combustion space comparatively fully.
Description
Technical field
The utility model relates to a kind of novel electrified combustion chamber.
Background technology
Micro-combustion occurs in for larger range scale relative to traditional combustion, and the micro-combustion of at present research generally occurs in very little range scale, and they are usually lower than 1cm
3volume in occur.The supplier of the energy produced by micro-combustion as energy on the equipment such as MEMS, miniature aerospace equipment, individual mobile electronic device has very wide application prospect.Micro-combustion, compared with battery, has that the energy density of higher than battery tens times, price are low, output voltage stabilization, environmental pollution are little and add the features such as fuel is convenient.
The micro-burner of current research directly can export heat energy or export energy by the form adopting miniature gas turbine generation power and thermoelectric conversion, thermion conversion, thermophotovoltaic etc. to be converted into electric power.Small due to micro combustor yardstick, brings a series of problem to fuel burning wherein.More much larger than the surface area/volume ratio under macro-scale in minute yardstick following table area/volume ratio, the heat loss that surface radiating causes is very large, this results in burning indoor temperature low, is difficult to maintain flameholding; The reduction of yardstick simultaneously makes the chemical time needed for fuel combustion and the fuel time of staying in a combustion chamber close, not easily ensures the Thorough combustion of fuel.The micro-scale burner great majority of current research are burning premixed gases, and these premixed gases are mostly just be passed in burner after the outside premix in combustion chamber.Add the gas pre-mixed part of combustor external like this, the structure of whole equipment is just relatively large, such that micro-burner volume is little, the advantage of compact conformation is not given prominence to; And be unsafe at combustor external premixed fuel and oxidant in the process used, if outside has high temperature likely just combustion reaction to occur in the outside of burner; Micro combustions cell structure is very little, and gas flow rates is lower, and the Reynolds number of fluid is less, is in Laminar Flow, and the mixing in pipeline of fuel gas and oxidant more difficultly can be unfavorable for burning.
Utility model content
In order to solve combustion instability, efficiency of combustion is low and Thermal Synthetic utilization ratio is low problem in liquid fuel micro-scale gas flow process that prior art exists, propose a kind of novel electrified combustion chamber.
For technical solution problem, solution of the present utility model is:
The utility model provides a kind of novel electrified combustion chamber, the top board comprising over body case and be connected in one with over body case, a blowhole on described over body case sidepiece edge, and be positioned at opposite side portion edge and be provided with another blowhole, and two hand-holes are not in same level, described top board is provided with two plup inlets; Described over body case is inner is outwards provided with most one deck staving, second layer staving and third layer staving successively from inner, the lower end of described over body case and the axle center extended spot being positioned at ground floor staving is provided with central point fire hole; Between over body case and third layer staving, be provided with air duct, and this air duct is connected with blowhole; Be provided with exhaust passage between third layer staving and second layer staving, and this exhaust passage is communicated with successively with two ventholes, these two ventholes are symmetrically set on top board; Be provided with fuel channel between second layer staving and most one deck staving, and this fuel channel is communicated with successively with two plup inlets, these two plup inlets are symmetrically set on top board; It is burning main chamber in most one deck staving; Wherein: be communicated with in intersecting in length and breadth between fuel channel with air duct, fuel channel is connected with side, burning main chamber with air duct, exhaust passage is connected with the opposite side of burning main chamber.
In the utility model, inner side, the outside of described most one deck staving are equipped with spiral type thread.
In the utility model, the cross section semicircular in shape of described spiral type thread.
In the utility model, the cross section of described most one deck staving, second layer staving and third layer staving is all in donut.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model adopts fuel channel and combustor surface to be provided with spiral type thread, not only adds heat exchange area, strengthens the heat transfer of fuel and high-temperature flue gas; And add catalyst area.
2, in combustion chamber, relative size is wider, its objective is that the flowing velocity simultaneously reducing fluid improves the efficiency of burning in order to make fuel have combustion space comparatively fully.
3, fuel channel of the present utility model, air duct and combustion chamber, the alternate layout in exhaust passage, the ladder achieving fume afterheat is recycled, and completes air preheat and fuel-pyrolysis.
4, the utility model combustion chamber inner surface is furnished with catalytic surface, adopts metal platinum as catalyst, improves the efficiency of combustion of hydrocarbon fuel, expand the inflammability limit of fuel, allow to regulate temperature by fuel metering proportioning.
Accompanying drawing explanation
Fig. 1 is the global sections structural representation of novel electrified combustion chamber of the present utility model;
Fig. 2 is the overall horizontal section schematic diagram of novel electrified combustion chamber of the present utility model;
Reference numeral: plup inlet 1, venthole 2, most one deck staving 3, blowhole 4, third layer staving 5, second layer staving 6, top board 7, central point fire hole 9, over body case 8.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides a kind of specific embodiment of novel electrified combustion chamber, the top board 7 comprising over body case 8 and be connected in one with over body case 8, described over body case 8 sidepiece edge is provided with two blowholes 4, and axle center, the lower end place of described over body case 8 is provided with central point fire hole 9; Described cuboid enclosure interior is provided with most one deck staving 3, second layer staving 6 and third layer staving 5, and described air duct is located between over body case 8 and third layer staving 5, and is connected with blowhole 4; Exhaust passage is located between third layer staving 5 and second layer staving 6, and is connected with venthole 2, and these two ventholes 2 are symmetrically set on top board 7; Fuel channel is located between second layer staving 6 and most one deck staving 3, and is connected with plup inlet 1, and these two plup inlets 1 are symmetrically set on top board 7; Burning main chamber is located in most one deck staving 3; Wherein: be communicated with in intersecting in length and breadth between fuel channel with air duct, fuel channel is connected with side, burning main chamber with air duct, exhaust passage is connected with the opposite side of burning main chamber.
Wherein: described fuel channel selects good, the resistant to elevated temperatures material of thermal conductivity, as the stainless steel of high nickel content.The axle center of two blowholes 4 on described over body case 8 sidepiece edge is not on the same axis.Inner side, the outside of described most one deck staving 3 are equipped with spiral type thread, and described spiral type thread is coated with metallic platinum catalyst, and to strengthen catalytic activity, reformed gas impurity is few.The cross section semicircular in shape of described spiral type thread, half elliptic or polygon.The cross section of described most one deck staving 3, second layer staving 6 and third layer staving 5 is all in donut.
The utility model adopts fuel channel and burning surface, main chamber to be provided with spiral type thread, not only adds heat exchange area, strengthens the heat transfer of fuel and high-temperature flue gas; And add catalyst area.
In burning main chamber, relative size is wider, its objective is that the flowing velocity simultaneously reducing fluid improves the efficiency of burning in order to make fuel have combustion space comparatively fully.
Fuel channel of the present utility model, air duct and burning main chamber, the alternate layout in exhaust passage, the ladder achieving fume afterheat is recycled, and completes air preheat and fuel-pyrolysis.
The utility model combustion chamber inner surface is furnished with catalytic surface, adopts metal platinum as catalyst, improves the efficiency of combustion of hydrocarbon fuel, expand the inflammability limit of fuel, allow to regulate temperature by fuel metering proportioning.
The utility model can be summarized with other the concrete form without prejudice to spirit of the present utility model and principal character.Therefore, no matter from which point, above-mentioned embodiment of the present utility model all can only be thought explanation of the present utility model and can not limit the utility model, claims indicate scope of the present utility model, and scope of the present utility model is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present utility model and scope, all should think to be included in the scope of claims.
Claims (3)
1. a novel electrified combustion chamber, the top board comprising over body case and be connected in one with over body case, a blowhole on described over body case sidepiece edge, and be positioned at opposite side portion edge and be provided with another blowhole, and two hand-holes are not in same level, described top board is provided with two plup inlets; It is characterized in that, described over body case is inner is outwards provided with most one deck staving, second layer staving and third layer staving successively from inner, the lower end of described over body case and the axle center extended spot being positioned at ground floor staving is provided with central point fire hole; Between over body case and third layer staving, be provided with air duct, and this air duct is connected with blowhole; Be provided with exhaust passage between third layer staving and second layer staving, and this exhaust passage is communicated with successively with two ventholes, these two ventholes are symmetrically set on top board; Be provided with fuel channel between second layer staving and most one deck staving, and this fuel channel is communicated with successively with two plup inlets, these two plup inlets are symmetrically set on top board; It is burning main chamber in most one deck staving; Wherein: be communicated with in intersecting in length and breadth between fuel channel with air duct, fuel channel is connected with side, burning main chamber with air duct, exhaust passage is connected with the opposite side of burning main chamber; Wherein, the inner side of described most one deck staving, outside are equipped with spiral type thread.
2. according to the electrified combustion chamber described in claim 1, it is characterized in that, the cross section semicircular in shape of described spiral type thread.
3. according to the electrified combustion chamber described in claim 2, it is characterized in that, the cross section of described most one deck staving, second layer staving and third layer staving is all in donut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835445.7U CN204513375U (en) | 2014-12-24 | 2014-12-24 | A kind of novel electrified combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835445.7U CN204513375U (en) | 2014-12-24 | 2014-12-24 | A kind of novel electrified combustion chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204513375U true CN204513375U (en) | 2015-07-29 |
Family
ID=53711350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420835445.7U Expired - Fee Related CN204513375U (en) | 2014-12-24 | 2014-12-24 | A kind of novel electrified combustion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204513375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654043A (en) * | 2021-08-20 | 2021-11-16 | 贵州大学 | Multi-combustion-chamber coupled microscale combustion power generation device |
-
2014
- 2014-12-24 CN CN201420835445.7U patent/CN204513375U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654043A (en) * | 2021-08-20 | 2021-11-16 | 贵州大学 | Multi-combustion-chamber coupled microscale combustion power generation device |
| CN113654043B (en) * | 2021-08-20 | 2023-07-14 | 贵州大学 | Multi-combustion-chamber-coupled microscale combustion power generation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |