CN205717189U - A kind of minisize liquid burner with double preheating structure - Google Patents
A kind of minisize liquid burner with double preheating structure Download PDFInfo
- Publication number
- CN205717189U CN205717189U CN201620207749.8U CN201620207749U CN205717189U CN 205717189 U CN205717189 U CN 205717189U CN 201620207749 U CN201620207749 U CN 201620207749U CN 205717189 U CN205717189 U CN 205717189U
- Authority
- CN
- China
- Prior art keywords
- fuel
- air
- sleeve
- burner
- air inlet
- 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.)
- Withdrawn - After Issue
Links
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 discloses a kind of minisize liquid burner with double preheating structure, have employed at burner urceolus the most internal, in the way of the most sheathed, it be provided with first, second, and third sleeve, and cleverly the space between these three sleeve is divided into by dividing plate two relative and independent air-pre-heating cavities and two fuel preheating chambeies；Air and fuel is made the most i.e. to have obtained second adverse current preheating, air and fuel is made the most i.e. to have obtained the most sufficiently preheating, this not only contributes to the abundant evaporation of liquid fuel, makes combustion process more abundant, stable, and substantially increases efficiency of combustion.It is simple and easy to do that this minisize liquid burner has technological means, not only achieves the miniaturization of structure, and flameholding is fully efficient, is difficult to extinguish, especially suitable harsher external environment condition.Solve the technical barrier that puzzlement those skilled in the art generally exist for micro-structure burner.
Description
Technical field
This utility model relates to burner, particularly relates to a kind of minisize liquid with double preheating structure
Burner.
Background technology
In recent ten years, along with the development of science and technology, social each field is to microminiature electric mechanical and sets
Standby demand sharp increase, this has greatly promoted scientist's research to micro-energy resource system.The most at present
For, the micro-power plants of the overwhelming majority is generally by traditional chemical cell energy supply.But, chemical-electrical
Pond exists that energy density is low, volume and weight big, the charging interval is long, to distinct disadvantage such as environment are unfriendly,
The most gradually the mainstream demand of social development it is unsatisfactory for.And the energy density of liquid carbon hydrogen fuel can reach current
The height of tens times of the energy density of the lithium battery commonly used, this makes moving with hydrocarbon fuel as the energy
Force system be miniaturizated to possibility, be conducive to improve MEMS integrated level；Liquid is hydrocarbon simultaneously
Fuel does not results in pollution, significantly slow down the ambient pressure of modern society.Therefore, hydrocarbon based on liquid
The micro power source system of fuel will have broad application prospects in future.And as the core of micro-energy resource system,
The microburner designing function admirable is always study hotspot.
Being different from traditional combustion process, the active combustion space residing for miniature scale combustion process is the least,
The face body thus brought has decades of times big than relative to normal burner, and therefore its heat loss dramatically increases；
Secondly, the reduction of size, cause fuel and air shorter residence time in the burner, fuel can not fill
Divided combustion, combustion process is likely to organize unsuccessful.Therefore, realize in miniature scale stable burning and
Improving efficiency of combustion is current research emphasis.But, the most realize the many employings of microburner of application
Gaseous fuel.Compared with liquid fuel, its energy density is low, stores and transports inconvenience.Hydrocarbon with liquid
Microburner for fuel has certain advantage.But liquid fuel needs additional time and space
Evaporation and mixing, the structure design of the burner thus brought also has bigger choosing with gaseous fuel burners
War.Accordingly, it would be desirable to a kind of microburner for liquid burning so that it is liquid fuel can be met
Good evaporation and be sufficiently mixed the two major requirement with air.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming and defect of above-mentioned prior art, it is provided that one has
The minisize liquid burner of double preheating structure, to solve existing burner long-term existence liquid fuel micro-
Burner is difficult to evaporation, burn insufficient, unstable, efficiency of combustion is low and the technology such as easy extinguishing is difficult
Topic.
This utility model is achieved through the following technical solutions:
A kind of minisize liquid burner with double preheating structure, including burner urceolus body 2, for
The upper sealing panel 1 at sealing combustion device urceolus body about 2 two ends and lower seal plate 2；Described burner urceolus
Body 2 lower end sidewall offers steam vent 11；
In the inside of burner urceolus body 2, include first sleeve the 6, second sleeve 5 the most successively
With the 3rd sleeve 3；The lower end of described first sleeve the 6, second sleeve 5 and the 3rd sleeve 3 is by lower seal
Plate 2 seals, and the upper end of described first sleeve 6 and the 3rd sleeve 3 is sealed by top pressure closure 15, seals
Between outer surface and the inner surface of upper sealing panel 1 of top cover 15, there is gap；The top of described second sleeve 5
Between end and the inner surface of top pressure closure 15, there is gap；
On the barrel of the second sleeve 5, it is additionally provided with four pieces of dividing plates 17 extending radially through its barrel, this dividing plate
The inner side edge of 17 connects the 3rd sleeve 3 inwall, and outer side edges connects the first sleeve 6 inwall, and upper side edge connects
Top pressure closure 15, lower side connects lower seal plate 2；First sleeve 6, second is overlapped by these four pieces of dividing plates 17
Space between cylinder 5 and the 3rd sleeve 3 is divided into two relative and independent air-pre-heating cavities, two phases
To and independent fuel preheating chamber；
Described air-pre-heating cavity with the barrel of the second sleeve 5 as boundary, be divided into the first air-pre-heating cavity 10-1 and
Second air-pre-heating cavity 10-2, this first air-pre-heating cavity 10-1 and the connection of the second air-pre-heating cavity 10-2,
It is that the gap between the top by the second sleeve 5 and the inner surface of top pressure closure 15 realizes connecting；
Described fuel preheating chamber, with the barrel of the second sleeve 5 as boundary, is divided into the first fuel preheating chamber 8-1 and
Two fuel preheating chamber 8-2, this first fuel preheating chamber 8-1 and the connection of the second fuel preheating chamber 8-2, be
Realize connecting by the gap between top and the inner surface of top pressure closure 15 of the second sleeve 5；
The internal face space of described 3rd sleeve 3 is combustor 31, the outside wall surface of the first sleeve 6 and burning
Space between device urceolus body 2 internal face is exhaust passage 33；Described combustor 31 and exhaust passage
The connection of 33, is that the top layer between the outer surface by top pressure closure 15 and upper sealing panel 1 inner surface is roundabout
Passage 32 realizes connection；
Bottom the 3rd sleeve 3 on perisporium, corresponding to the second air-pre-heating cavity of two air-pre-heating cavities
10-2, offers a combustion air air inlet 12 respectively；Bottom the 3rd sleeve 3 on perisporium, right
A chamber fuel air inlet should be offered respectively in the second fuel preheating chamber 8-2 in two fuel preheating chambeies
Mouth 9；
On lower seal plate 2, corresponding to the first air-pre-heating cavity 10-1 of two air-pre-heating cavities, respectively
Offer an air inlet port 10；On lower seal plate 2, corresponding to the first of two fuel preheating chambeies
Fuel preheating chamber 8-1, offers a fuel inlet 8 respectively；
Air is sequentially passed through the first air-pre-heating cavity 10-1, the second air-pre-heating cavity by air inlet port 10
Entering combustor 31 after 10-2, combustion air air inlet 12, meanwhile, fuel is by fuel inlet
8 sequentially pass through the first fuel preheating chamber 8-1, the second fuel preheating chamber 8-2, chamber fuel air inlet 9
Rear entrance combustor 31 also carries out mixed combustion with air, the waste gas after burning by top layer circuitous channel 32,
Exhaust passage 33, is finally expelled to burner urceolus body 2 by total steam vent 11 outside.
Air enters the first air-pre-heating cavity 10-1 from bottom to top by air inlet port 10, enters from top to bottom
Enter the second air-pre-heating cavity 10-2, enter combustor 31 from bottom to top, enter exhaust passage 33 from top to bottom；
Fuel is entered the first fuel preheating chamber 8-1 from bottom to top by fuel inlet 8, enters the second combustion from top to bottom
Material preheating cavity 8-2, enters combustor 31 from bottom to top, enters exhaust passage 33 from top to bottom.
Described combustion air air inlet 12 and chamber fuel air inlet 9, be all opened in tangential direction
Bottom 3rd sleeve 3 on the same contour of perisporium, air and fuel enter combustor 31 in the way of the circle of contact,
Mix in combustor 31, and spiral from bottom to top.
Described combustion air air inlet 12 and air inlet port 10 offer position, be in a diameter
On line；Chamber fuel air inlet 9 and fuel inlet 8 offer position, be in another diameter line
On；These two diameter lines intersect each other.
Described air inlet port 10 and the diameter of fuel inlet 8, less than the second sleeve 5 and the first sleeve
Gap between 6.
In the first fuel preheating chamber 8-1 and the second fuel preheating chamber 8-2 in described fuel preheating chamber, it is filled with
Sintered porous material.
The middle part of described combustor 31 is provided with metal catalytic grid 13, and lighter 14 is placed in metal catalytic net
Above the side of lattice 13, the lead-in wire 16 of lighter 14 connects external high pressure power supply through upper sealing panel 1；Institute
State surface-coated Cu-Ni of metal catalytic grid 13, Pt-Ni or Pt-Cu catalyst.
The combustion method of this utility model minisize liquid burner is as follows:
Liquid carbon hydrogen fuel and air are passed through in combustor 31, ignited device 14 light after at metal catalytic
Stable burning above grid 13, first the 3rd sleeve 3 is heated by burned flame, the after heating
Three sleeves 3 gradually by thermal energy radiation to the first fuel preheating chamber 8-1, the second fuel preheating chamber 8-2, first
Air-pre-heating cavity 10-1 and the second air-pre-heating cavity 10-2, until whole minisize liquid burner is heated；
And then persistently to entering the air of air preheat intracavity and the fuel of fuel preheating intracavity, entering combustor
Secondary preheating was carried out respectively before 31.Described secondary preheating process is specific as follows:
Liquid carbon hydrogen fuel is entered the first fuel preheating chamber 8-1 from bottom to top by fuel inlet 8 and carries out first
Secondary heating, under the fragmentation of the porous material in the first fuel preheating chamber 8-1, liquid carbon hydrogen fuel is complete
Become the most broken, form heated drop；Enter the second fuel preheating chamber 8-2 the most from top to bottom
Carrying out second time to heat, the porous material in the second fuel preheating chamber 8-2 is to the drop that heating crushes for the first time
Carry out second time and heat broken, make the particle diameter of the drop after heating reduce further, and form fuel vapour,
By the way of tangential, combustor 31 is entered from bottom to top subsequently by chamber fuel air inlet 9；
Meanwhile, air enters the first air-pre-heating cavity 10-1 from bottom to top also by air inlet port 10
Carry out heating for the first time, enter the second air-pre-heating cavity 10-2 from top to bottom and carry out heating, subsequently for the second time
By the way of tangential, combustor 31 is entered by combustion air air inlet 12, and at metal catalytic grid
The lower section of 13 is sufficiently mixed with fuel vapour, formed gas-liquid mixture, and then complete liquid carbon hydrogen fuel and
The double preheating of air with mix；Then spiral in the way of eddy flow, through metal catalytic grid 13
And the most stably burn, the waste gas after burning passes through top layer circuitous channel 32, exhaust passage 33,
After to be expelled to burner urceolus body 2 by total steam vent 11 outside；Complete whole combustion process.
This utility model, relative to prior art, at least has such advantages as and effect:
Minisize liquid burner described in the utility model, have employed in burner urceolus body 2, with
The most sheathed mode is provided with the first sleeve the 6, second sleeve 5 and the 3rd sleeve 3, and by dividing plate 17
Cleverly the space between first sleeve the 6, second sleeve 5 and the 3rd sleeve 3 is divided into two relatively and
Independent air-pre-heating cavity and two relative and independent fuel preheating chambeies；Air and fuel is made to enter combustion
I.e. obtain second adverse current preheating before burning room 31, be greatly reinforced heat transfer intensity so that air and fuel
The most i.e. having obtained the most sufficiently preheating, this not only contributes to the abundant evaporation of liquid fuel, makes
Combustion process is more abundant, stable, and substantially increases efficiency of combustion.The ingenious part of dividing plate 17 also exists
In the compactedness and the science that add this minisize liquid burner structure.
Minisize liquid burner described in the utility model, arranges porous material in fuel preheating,
Under the common effect of high temperature and porous material, further liquid fuel down is become more tiny drop
(or droplet), can promote rapid evaporation after its temperature gradually rises, make burning further enhance liquid
Abundant, the stable and efficient combustion of fluid fuel.
Minisize liquid burner described in the utility model, combustion air air inlet 12 and chamber fuel
Air inlet 9, is all opened in bottom the 3rd sleeve 3 on the same contour of perisporium with tangential direction, air and combustion
Material enters combustor 31 in the way of the circle of contact, mixes in combustor 31, and spiral from bottom to top；
Use tangential admission so that fuel vapour intervolves suction with air mutually at combustor 31, sufficiently mixes, shape
Become strong and uniform eddy flow mixed gas, further strengthen the stability of burning.
Minisize liquid burner described in the utility model, completes the waste gas after burning roundabout logical by top layer
Road 32, exhaust passage 33, be finally expelled to burner urceolus body 2 by total steam vent 11 outside；This
During one, through the high-temp waste gas of exhaust passage 33, be equivalent to by discarded high-temp waste gas again
Utilizing cleverly, this does not just correspond to add round numberp round figure burner one preferable heat-insulation layer, Er Qieji
The earth make use of the structure space that burner itself is limited, makes the performance of burner to optimum state；
The most this mode has saved the energy the most effectively.
Minisize liquid burner described in the utility model, uses metal catalytic surface mesh to coat catalysis
Agent, is conducive to keeping the stability of combustion flame and improving chemical reaction velocity, is beneficial to improve burning effect
Rate.
Minisize liquid burner described in the utility model, it is achieved that the miniaturization of structure, has technology hands
Section is simple and easy to do, and flameholding is abundant, efficiency is high, and is difficult to extinguish, especially suitable harsher outside
Environment.
Accompanying drawing explanation
Fig. 1 is the minisize liquid burner that this utility model has double preheating structure, D-D along Fig. 2
The generalized section in direction.
Fig. 2 is the generalized section in Fig. 1 along E-E direction.
Fig. 3 is the generalized section in Fig. 2 along A-A direction.
Fig. 4 is the generalized section in Fig. 2 along B-B direction.
Fig. 5 is the generalized section in Fig. 2 along C-C direction.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is more specifically described in detail.
Embodiment
If Fig. 1 is to shown in 5.The utility model discloses a kind of minisize liquid with double preheating structure
Burner, including burner urceolus body 2, upper close for sealing combustion device urceolus body about 2 two ends
Shrouding 1 and lower seal plate 2；Described burner urceolus body 2 lower end sidewall offers steam vent 11；
In the inside of burner urceolus body 2, include first sleeve the 6, second sleeve 5 the most successively
With the 3rd sleeve 3；The lower end of described first sleeve the 6, second sleeve 5 and the 3rd sleeve 3 is by lower seal
Plate 2 seals, and the upper end of described first sleeve 6 and the 3rd sleeve 3 is sealed by top pressure closure 15, seals
Between outer surface and the inner surface of upper sealing panel 1 of top cover 15, there is gap；The top of described second sleeve 5
Between end and the inner surface of top pressure closure 15, there is gap；Described 3rd sleeve 3 and the height of the first sleeve 6
Degree is 31mm, and thickness is 1mm.The thickness of top pressure closure 15 is 1mm.
On the barrel of the second sleeve 5, it is additionally provided with four pieces of dividing plates 17 extending radially through its barrel, this dividing plate
The inner side edge of 17 connects the 3rd sleeve 3 inwall, and outer side edges connects the first sleeve 6 inwall, and upper side edge connects
Top pressure closure 15, lower side connects lower seal plate 2；First sleeve 6, second is overlapped by these four pieces of dividing plates 17
Space between cylinder 5 and the 3rd sleeve 3 is divided into two relative and independent air-pre-heating cavities and two phases
To and independent fuel preheating chamber；Use this structure, make air and fuel before entering combustor 31
I.e. obtain second adverse current preheating, be greatly reinforced heat transfer intensity so that air and fuel have been before combustion
Obtaining the most sufficiently preheating, this not only contributes to the abundant evaporation of liquid fuel, makes combustion process more
Fully, stable, and substantially increase combustion instability that micro structure burner generally exists, easily put out
The defect such as go out and efficiency of combustion is low.The ingenious part of dividing plate 17 also resides in and adds this minisize liquid burner knot
The compactedness of structure and science.
Described air-pre-heating cavity with the barrel of the second sleeve 5 as boundary, be divided into the first air-pre-heating cavity 10-1 and
Second air-pre-heating cavity 10-2, this first air-pre-heating cavity 10-1 and the connection of the second air-pre-heating cavity 10-2,
It is that the gap (2～3mm) between the top by the second sleeve 5 and the inner surface of top pressure closure 15 realizes
Connection；
Described fuel preheating chamber, with the barrel of the second sleeve 5 as boundary, is divided into the first fuel preheating chamber 8-1 and
Two fuel preheating chamber 8-2, this first fuel preheating chamber 8-1 and the connection of the second fuel preheating chamber 8-2, be
Realized even by the gap (2～3mm) between top and the inner surface of top pressure closure 15 of the second sleeve 5
Logical；
The internal face space of described 3rd sleeve 3 is combustor 31, the outside wall surface of the first sleeve 6 and burning
Space between device urceolus body 2 internal face is exhaust passage 33；Described combustor 31 and exhaust passage
The connection of 33, is that the top layer between the outer surface by top pressure closure 15 and upper sealing panel 1 inner surface is roundabout
Passage 32 realizes connection；
Bottom the 3rd sleeve 3 on perisporium, corresponding to the second air-pre-heating cavity of two air-pre-heating cavities
10-2, offers a combustion air air inlet 12 respectively；Bottom the 3rd sleeve 3 on perisporium, right
A chamber fuel air inlet should be offered respectively in the second fuel preheating chamber 8-2 in two fuel preheating chambeies
Mouth 9；
On lower seal plate 2, corresponding to the first air-pre-heating cavity 10-1 of two air-pre-heating cavities, respectively
Offer an air inlet port 10 (a diameter of 1～2mm)；On lower seal plate 2, corresponding to two
The first fuel preheating chamber 8-1 in fuel preheating chamber, offers a fuel inlet 8 (a diameter of respectively
1～2mm)；
Air is sequentially passed through the first air-pre-heating cavity 10-1, the second air-pre-heating cavity by air inlet port 10
Entering combustor 31 after 10-2, combustion air air inlet 12, meanwhile, fuel is by fuel inlet
8 sequentially pass through the first fuel preheating chamber 8-1, the second fuel preheating chamber 8-2, chamber fuel air inlet 9
Rear entrance combustor 31 also carries out mixed combustion with air, the waste gas after burning by top layer circuitous channel 32,
Exhaust passage 33, is finally expelled to burner urceolus body 2 by total steam vent 11 outside.
Air enters the first air-pre-heating cavity 10-1 from bottom to top by air inlet port 10, enters from top to bottom
Enter the second air-pre-heating cavity 10-2, enter combustor 31 from bottom to top, enter exhaust passage 33 from top to bottom；
Fuel is entered the first fuel preheating chamber 8-1 from bottom to top by fuel inlet 8, enters the second combustion from top to bottom
Material preheating cavity 8-2, enters combustor 31 from bottom to top, enters exhaust passage 33 from top to bottom.
Described combustion air air inlet 12 and chamber fuel air inlet 9, be all opened in tangential direction
Bottom 3rd sleeve 3 on the same contour of perisporium, air and fuel enter combustor 31 in the way of the circle of contact,
Mix in combustor 31, and spiral from bottom to top.Arranged tangential can make fuel and air mixed
Form eddy flow during conjunction, promote its mix homogeneously in combustor 31.Described combustion air air inlet
12 and a diameter of the 1 of chamber fuel air inlet 9～2mm.
Described combustion air air inlet 12 and air inlet port 10 offer position, be in a diameter
On line；Chamber fuel air inlet 9 and fuel inlet 8 offer position, be in another diameter line
On；These two diameter lines intersect each other (the most perpendicular to one another).Described air inlet port 10 and fuel
The diameter of ingate 8, less than the gap between the second sleeve 5 and the first sleeve 6.
In the first fuel preheating chamber 8-1 and the second fuel preheating chamber 8-2 in described fuel preheating chamber, it is filled with
Sintered porous material.Under the common effect of high temperature and porous material, further liquid fuel is broken
It is broken into more tiny drop (or droplet), rapid evaporation can be promoted after its temperature gradually rises, make
Burning further enhances the abundant, stable of liquid fuel and efficient combustion.Porous material is for having one
Determining the sintered material of the function admirable of air penetrability, this utility model uses SiC sintered material, and air penetrability is
37%, it act as break up drops, promotes the evaporation of liquid fuel.
The middle part (on the lower side) of described combustor 31 is provided with metal catalytic grid 13, and lighter 14 is placed in gold
Belonging to above the side of catalysis grid 13, the lead-in wire 16 of lighter 14 connects external high pressure through upper sealing panel 1
Power supply；Surface-coated Cu-Ni of described metal catalytic grid 13, Pt-Ni or Pt-Cu catalyst.
The thickness of this metal catalytic grid 13 is 0.5mm, diameter 10mm, and mesh-density is 120 holes/cm2,
Catalysis grid can make combustion flame keep stable, and accelerates chemical reaction velocity.
Upper sealing panel 1 and lower seal plate 2 are circle, use low thermal conductivity, resistant to elevated temperatures pottery material
Material, a diameter of 36mm, thickness is 2mm.1mm aperture is had, for drawing of lighter 14 on it
Line 16 passes.
The combustion method of this minisize liquid burner, can be achieved by the steps of:
Liquid carbon hydrogen fuel and air are passed through in combustor 31, ignited device 14 light after at metal catalytic
Stable burning above grid 13, first the 3rd sleeve 3 is heated by burned flame, the after heating
Three sleeves 3 gradually by thermal energy radiation to the first fuel preheating chamber 8-1, the second fuel preheating chamber 8-2, first
Air-pre-heating cavity 10-1 and the second air-pre-heating cavity 10-2, until whole minisize liquid burner is heated；
And then persistently to entering the air of air preheat intracavity and the fuel of fuel preheating intracavity, entering combustor
Secondary preheating was carried out respectively before 31.
Secondary preheating process is specific as follows:
Liquid carbon hydrogen fuel is entered the first fuel preheating chamber 8-1 from bottom to top by fuel inlet 8 and carries out first
Secondary heating, under the fragmentation of the porous material in the first fuel preheating chamber 8-1, liquid carbon hydrogen fuel is complete
Become the most broken, form heated drop；Enter the second fuel preheating chamber 8-2 the most from top to bottom
Carrying out second time to heat, the porous material in the second fuel preheating chamber 8-2 is to the drop that heating crushes for the first time
Carry out second time and heat broken, make the particle diameter of the drop after heating reduce further, and form fuel vapour,
By the way of tangential, combustor 31 is entered from bottom to top subsequently by chamber fuel air inlet 9；
Meanwhile, air enters the first air-pre-heating cavity 10-1 from bottom to top also by air inlet port 10
Carry out heating for the first time, enter the second air-pre-heating cavity 10-2 from top to bottom and carry out heating, subsequently for the second time
By the way of tangential, combustor 31 is entered by combustion air air inlet 12, and at metal catalytic grid
The lower section of 13 is sufficiently mixed with fuel vapour, formed gas-liquid mixture, and then complete liquid carbon hydrogen fuel and
The double preheating of air with mix；Then spiral in the way of eddy flow, through metal catalytic grid 13
And the most stably burn, the waste gas after burning passes through top layer circuitous channel 32, exhaust passage 33,
After to be expelled to burner urceolus body 2 by total steam vent 11 outside；Complete whole combustion process.
As it has been described above, just can preferably realize this utility model.
Embodiment of the present utility model is also not restricted to the described embodiments, and other are any without departing from this reality
With the change made under novel spirit and principle, modify, substitute, combine, simplify, all should be
The substitute mode of effect, within being included in protection domain of the present utility model.
Claims (8)
1. there is a minisize liquid burner for double preheating structure, including burner urceolus body (2), upper sealing panel (1) for sealing combustion device urceolus body (2) up and down two ends and lower seal plate (7)；Described burner urceolus body (2) lower end sidewall offers steam vent (11)；It is characterized in that:
In the inside of burner urceolus body (2), include the first sleeve (6), the second sleeve (5) and the 3rd sleeve (3) the most successively；The lower end of described first sleeve (6), the second sleeve (5) and the 3rd sleeve (3) is sealed by lower seal plate (7), the upper end of described first sleeve (6) and the 3rd sleeve (3) is sealed by top pressure closure (15), has gap between outer surface and the inner surface of upper sealing panel (1) of top pressure closure (15)；Between top and the inner surface of top pressure closure (15) of described second sleeve (5), there is gap；
On the barrel of the second sleeve (5), it is additionally provided with four pieces of dividing plates (17) extending radially through its barrel, the inner side edge of this dividing plate (17) connects the 3rd sleeve (3) inwall, outer side edges connects the first sleeve (6) inwall, upper side edge connects top pressure closure (15), and lower side connects lower seal plate (7)；Space between first sleeve (6), the second sleeve (5) and the 3rd sleeve (3) is divided into two relative and independent air-pre-heating cavities, two relative and independent fuel preheating chambeies by these four pieces of dividing plates (17).
The most according to claim 1, there is the minisize liquid burner of double preheating structure, it is characterized in that: described air-pre-heating cavity with the barrel of the second sleeve (5) as boundary, it is divided into the first air-pre-heating cavity (10-1) and the second air-pre-heating cavity (10-2), this first air-pre-heating cavity (10-1) connects with the second air-pre-heating cavity (10-2's), is that the gap between the top by the second sleeve (5) and the inner surface of top pressure closure (15) realizes connecting；
Described fuel preheating chamber with the barrel of the second sleeve (5) as boundary, it is divided into the first fuel preheating chamber (8-1) and the second fuel preheating chamber (8-2), this the first fuel preheating chamber (8-1) connects with second fuel preheating chamber (8-2's), is that the gap between the top by the second sleeve (5) and the inner surface of top pressure closure (15) realizes connecting；
The internal face space of described 3rd sleeve (3) is combustor (31), and the space between outside wall surface and burner urceolus body (2) internal face of the first sleeve (6) is exhaust passage (33)；Described combustor (31) and the connection of exhaust passage (33), be that the top layer circuitous channel (32) between the outer surface by top pressure closure (15) with upper sealing panel (1) inner surface realizes connecting；
On the 3rd sleeve (3) bottom perisporium, corresponding to second air-pre-heating cavity (10-2) of two air-pre-heating cavities, offer a combustion air air inlet (12) respectively；On the 3rd sleeve (3) bottom perisporium, corresponding to the second fuel preheating chamber (8-2) in two fuel preheating chambeies, offer a chamber fuel air inlet (9) respectively；
On lower seal plate (7), corresponding to first air-pre-heating cavity (10-1) of two air-pre-heating cavities, offer an air inlet port (10) respectively；On lower seal plate (7), corresponding to the first fuel preheating chamber (8-1) in two fuel preheating chambeies, offer a fuel inlet (8) respectively；
Air is sequentially passed through the first air-pre-heating cavity (10-1) by air inlet port (10), the second air-pre-heating cavity (10-2), combustion air air inlet (12) enter combustor (31) afterwards；Meanwhile, fuel is sequentially passed through the first fuel preheating chamber (8-1) by fuel inlet (8), the second fuel preheating chamber (8-2), chamber fuel air inlet (9) enter combustor (31) afterwards and carry out mixed combustion with air, waste gas after burning passes through top layer circuitous channel (32), exhaust passage (33), to be finally expelled to burner urceolus body (2) by total steam vent (11) outside.
The most according to claim 2, there is the minisize liquid burner of double preheating structure, it is characterized in that: air enters the first air-pre-heating cavity (10-1) from bottom to top by air inlet port (10), enter the second air-pre-heating cavity (10-2) from top to bottom, enter combustor (31) from bottom to top, enter exhaust passage (33) from top to bottom；Fuel is entered the first fuel preheating chamber (8-1) from bottom to top by fuel inlet (8), enter the second fuel preheating chamber (8-2) from top to bottom, enter combustor (31) from bottom to top, enter exhaust passage (33) from top to bottom.
The most according to claim 3, there is the minisize liquid burner of double preheating structure, it is characterized in that: described combustion air air inlet (12) and chamber fuel air inlet (9), all it is opened in tangential direction on the same contour of the 3rd sleeve (3) bottom perisporium, air and fuel enter combustor (31) in the way of the circle of contact, mix in combustor (31), and spiral from bottom to top.
The most according to claim 3, there is the minisize liquid burner of double preheating structure, it is characterised in that: described combustion air air inlet (12) and air inlet port (10) offer position, be on a diameter line；Chamber fuel air inlet (9) and fuel inlet (8) offer position, be on another diameter line；These two diameter lines intersect each other.
The most according to claim 2, there is the minisize liquid burner of double preheating structure, it is characterized in that: described air inlet port (10) and the diameter of fuel inlet (8), less than the gap between the second sleeve (5) and the first sleeve (6).
The most according to claim 2, there is the minisize liquid burner of double preheating structure, it is characterized in that: in the first fuel preheating chamber (8-1) in described fuel preheating chamber and the second fuel preheating chamber (8-2), be filled with sintered porous material.
8. according to the minisize liquid burner according to any one of claim 1 to 7 with double preheating structure, it is characterized in that: the middle part of described combustor (31) is provided with metal catalytic grid (13), lighter (14) is placed in above the side of metal catalytic grid (13), and the lead-in wire (16) of lighter (14) connects external high pressure power supply through upper sealing panel (1)；Surface-coated Cu-Ni of described metal catalytic grid (13), Pt-Ni or Pt-Cu catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207749.8U CN205717189U (en) | 2016-03-17 | 2016-03-17 | A kind of minisize liquid burner with double preheating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207749.8U CN205717189U (en) | 2016-03-17 | 2016-03-17 | A kind of minisize liquid burner with double preheating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205717189U true CN205717189U (en) | 2016-11-23 |
Family
ID=57313616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620207749.8U Withdrawn - After Issue CN205717189U (en) | 2016-03-17 | 2016-03-17 | A kind of minisize liquid burner with double preheating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205717189U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674260A (en) * | 2016-03-17 | 2016-06-15 | 华南理工大学 | Miniature liquid burner adopting double-preheating structure and burning method of liquid burner |
| CN108844061A (en) * | 2018-08-29 | 2018-11-20 | 沈阳工程学院 | A kind of backheating type liquid fuel porous medium burner |
-
2016
- 2016-03-17 CN CN201620207749.8U patent/CN205717189U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674260A (en) * | 2016-03-17 | 2016-06-15 | 华南理工大学 | Miniature liquid burner adopting double-preheating structure and burning method of liquid burner |
| WO2017157059A1 (en) * | 2016-03-17 | 2017-09-21 | 华南理工大学 | Miniature liquid combustor having double pre-heating structure, and combustion method thereof |
| US10865982B2 (en) | 2016-03-17 | 2020-12-15 | South China University Of Technology | Miniature liquid combustor having double pre-heating structure, and combustion method thereof |
| CN108844061A (en) * | 2018-08-29 | 2018-11-20 | 沈阳工程学院 | A kind of backheating type liquid fuel porous medium burner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105674260A (en) | Miniature liquid burner adopting double-preheating structure and burning method of liquid burner | |
| Jiaqiang et al. | A comprehensive review on performance improvement of micro energy mechanical system: Heat transfer, micro combustion and energy conversion | |
| CN102183019B (en) | Micro-combustor | |
| CN103090384B (en) | A kind of porous media backheating type micro-scale burner | |
| CN202056882U (en) | Microminiature combustor | |
| CN100449205C (en) | Low-heat loss micro-scale burner | |
| CN205717189U (en) | A kind of minisize liquid burner with double preheating structure | |
| CN106907711A (en) | A kind of porous media combustor of radially layered with phase-transition heat-storage | |
| CN202598518U (en) | Energy-saving furnace core structure | |
| CN105827152A (en) | Micro-combustion thermoelectric generator based on porous medium micro-combustion | |
| CN110195862A (en) | A kind of small diffusion burner of separate type preheating | |
| CN105465773A (en) | Oxygen supply and thermal insulation device and flammable gas combustion chamber with same | |
| CN106334786A (en) | Heating Device Suitable for Mould Production | |
| CN112283686A (en) | Hydrogen-burning heat exchanger | |
| CN201688402U (en) | Heat regeneration type liquid fuel miniature combustor | |
| CN109237470A (en) | A kind of the minisize liquid burner and its combustion method of the porous injecting type of cylinder | |
| CN207407341U (en) | A kind of micro-combustor | |
| CN105402725B (en) | A kind of miniature disperse formula burner for micro thermo optoelectronic system | |
| CN208058829U (en) | A kind of combined type minute yardstick backheating type burner | |
| CN1322598C (en) | Counterflow heat exchanging burners | |
| CN206563295U (en) | A kind of porous media combustor of radially layered with phase-transition heat-storage | |
| CN207880834U (en) | A kind of microminiature swiss roll burner suitable for non-premixed combustion | |
| CN203395961U (en) | Metal cellular energy-collecting cover of gas stove | |
| CN206514303U (en) | A kind of burner of hydrogen making by natural gas reformation reburner | |
| CN208998070U (en) | A kind of minisize liquid burner of the porous injecting type of cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20181102 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20181102 |