CN208295910U - A kind of high-pressure hot wind burner - Google Patents
A kind of high-pressure hot wind burner Download PDFInfo
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- CN208295910U CN208295910U CN201820778541.0U CN201820778541U CN208295910U CN 208295910 U CN208295910 U CN 208295910U CN 201820778541 U CN201820778541 U CN 201820778541U CN 208295910 U CN208295910 U CN 208295910U
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- combustion chamber
- air duct
- pressure
- blast cavity
- hot wind
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Abstract
The utility model provides a kind of high-pressure hot wind burner, including a Fuel lance, a high-pressure blast cavity, a combustion chamber and a mixed air duct；The front end of the high-pressure blast cavity is connected with the mixed air duct, and the high-pressure blast cavity is equipped with an air duct；The inside of the high-pressure blast cavity and mixed air duct is arranged in the combustion chamber, the feed end of the combustion chamber is equipped with a feed inlet, the surrounding of the feed inlet is equipped with a plurality of first holes, the combustion chamber and the high-pressure blast cavity and is interconnected by first hole；The Fuel lance is fixed on the rear end of the high-pressure blast cavity, and the head of the Fuel lance stretches in the feed inlet, and the Fuel lance is equipped with a fuel channel.Utility model has the advantages that the air of higher pressure can be used, the stability of combustion flame is strong, and anti-air interference performance is strong, more abundant, the big adjusting ratio of realization burner output power of fuel combustion.
Description
Technical field
The utility model relates to a kind of hot wind burners, refer in particular to a kind of high-pressure hot wind burner.
Background technique
Currently, hot wind burner industrially, is mainly divided into combustion air and tempering air, combustion air for air
It burns in the combustion chamber, the flue gas for generation of burning mixes in the structure of blending cavity again with tempering air, required for reaching
Temperature.This hybrid mode benefit is that fuel is easy to get full combustion, mixes relatively uniform, but there is also have following lack
Point: 1, such structural cavity body is larger, causes design larger with manufacturing cost；If 2, selecting the simple structure of not combustion chamber,
It is easy to appear combustion instability, tempering air is easy to directly affect burning in underload, generates flame-out failure, is not suitable for
The big requirement adjusted than occasion of burner；If 3, required hot-blast pressure is higher, traditional structure be easy to cause combustion instability, dashes forward
So there are the failures such as flame-out.
Through retrieving, applying date 2015.08.12, application No. is 201510491841.1 Chinese invention patents to disclose
A kind of hot air type burner, including fuel butterfly valve, air dampers, regulating mechanism assembly, cooling air intake and burner shell,
The bottom of air dampers is connected with damper assemblies, and damper assemblies include that air door, axle of the air door, temperature sensor and servo adjust horse
It reaches.But the burner there are structures complex, the lower defect of efficiency of combustion.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of high-pressure hot wind burner, realization burner output
The big adjusting ratio of power, keeps the stability of combustion flame strong, and anti-air interference performance is strong, reduces production cost.
The utility model is realized in this way: a kind of high-pressure hot wind burner, including a Fuel lance, a high-pressure blast chamber
Body, a combustion chamber and a mixed air duct；The front end of the high-pressure blast cavity is connected with the mixed air duct, the high-pressure blast chamber
Body is equipped with one first air duct；The inside of the high-pressure blast cavity and mixed air duct, the burning is arranged in the combustion chamber
The feed end of room is equipped with a feed inlet, and the surrounding of the feed inlet is equipped with a plurality of first holes, the combustion chamber with it is described
It is interconnected between high-pressure blast cavity by first hole；After the Fuel lance is fixed on the high-pressure blast cavity
End, and the head of the Fuel lance stretches in the feed inlet, the Fuel lance is equipped with a fuel channel.
Further, the combustion chamber includes integrally formed combustion chamber leading portion and combustion chamber back segment；Before the combustion chamber
Outer wall of the section in front end is equipped with an extension outward, and one second is formed between the extension and the mixed air duct inner wall
Air duct；The feed inlet and the first hole are set to the rear end of the combustion chamber back segment.
Further, the inner wall of the combustion chamber back segment is equipped at least one protrusion for being used to generate air swirl effect,
And the section of the protrusion is in triangle status architecture.
Further, the side wall of the combustion chamber leading portion is along going out fiery direction and be disposed with a plurality of apertures to become larger
The second hole.
Further, the opening of second hole is tilted towards fiery direction is gone out.
Further, the crater of the mixed air duct is round or ellipse.
Utility model has the advantages that
1, by the way that the protrusion is arranged, so that the flue gas that single-stage combustion generates in the combustion chamber rear portion has convolution effect
It answers, is conducive to the stability for maintaining flame.
2, by the way that second hole is arranged, the air of elevated pressures can be used；The air of relative high pressure is from mouth
Big second hole of diameter enters the combustion chamber, the air of relative lower pressure second hole small from the bore
Into the combustion chamber, so that each load stage has suitable air to fill into from second hole, it is not in small
Enter situation of the mass flow air to cause moment to stop working in flow fuel injection space.
3, by the way that ovalisation is arranged in the front end of the mixed air duct, it can produce pancake air curtain.
4, realize that the multistage of air is injected by first hole, second hole, so that the stabilization of combustion flame
Property is strong, and anti-air interference performance is strong, but also fuel combustion is more abundant, reaches energy-efficient purpose.
Detailed description of the invention
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is a kind of cross-sectional view of high-pressure hot wind burner of the utility model.
Fig. 2 is one of the schematic diagram of crater that air duct is mixed in the utility model.
Fig. 3 is two of the schematic diagram of the crater of mixed air duct in the utility model.
100- high-pressure hot wind burner, 1- Fuel lance, 11- fuel channel, 2- high-pressure blast cavity, the first air of 21- are logical
Road, the combustion chamber 3-, the combustion chamber 31- leading portion, the second hole of 311-, 312- extension, the combustion chamber 32- back segment, 321- feed inlet,
The first hole of 322-, 323- protrusion, 4- mix air duct, the second air duct of 5-.
Specific embodiment
It please refers to shown in Fig. 1 to Fig. 3, a kind of preferred embodiment of high-pressure hot wind burner 100 of the utility model, including one
Fuel lance 1, a high-pressure blast cavity 2, a combustion chamber 3 and a mixed air duct 4；It is mixed with described the front end of the high-pressure blast cavity 2
Air duct 4 is connected, and the high-pressure blast cavity 2 is equipped with one first air duct 21, and air is from first air duct 21
Into the high-pressure blast cavity 2；The inside of the high-pressure blast cavity 2 and mixed air duct 4, the burning is arranged in the combustion chamber 3
The feed end of room 3 is equipped with a feed inlet 321, and the surrounding of the feed inlet 321 is equipped with a plurality of first holes 322, described
It is interconnected between combustion chamber 3 and the high-pressure blast cavity 2 by first hole 322；The Fuel lance 1 is fixed on institute
The rear end of high-pressure blast cavity 2 is stated, and the head of the Fuel lance 1 stretches in the feed inlet 321, the Fuel lance
Equipped with a fuel channel 11, fuel enters the Fuel lance 1 by the fuel channel 11.
The combustion chamber 3 includes integrally formed combustion chamber leading portion 31 and combustion chamber back segment 32；The combustion chamber leading portion 31
Outer wall in front end is equipped with an extension 312 outward, and is formed between the extension 312 and 4 inner wall of mixed air duct
One second air duct 5；The feed inlet 321 and the first hole 322 are set to the rear end of the combustion chamber back segment 32.
The inner wall of the combustion chamber back segment 32 is equipped at least one for generating the protrusion 323 of air swirl effect, and institute
The section of protrusion 323 is stated in triangle status architecture, when air enters the combustion chamber rear portion 32 from first hole 322, meeting
It is whirled up effect at described raised 323, so that burning is more stable.
The side wall of the combustion chamber leading portion 31 is along go out that fiery direction is disposed with that a plurality of apertures become larger second
Hole 311, pressure-air enter the combustion chamber 3 from big second hole 311 of bore, and low-pressure air is small from the bore
Second hole 311 enter the combustion chamber 3 so that each load stage has suitable air from second hole
It is filled into 311, is not in the situation for entering mass flow air in small flow fuel injection space to cause moment to stop working.
The opening of second hole 311 is towards fiery direction inclination is gone out, to facilitate the mixing of air and fuel.
The crater of the mixed air duct 4 is round or ellipse, can form pancake wind when ovalisation is arranged
Curtain.
Working principle of the utility model is:
Fuel enters the Fuel lance 1 by the fuel channel 11, and pressure-air is from first air duct 21
Into the high-pressure blast cavity 2, first order air enters the combustion chamber rear portion 32 by first hole 322, and in institute
It states and is whirled up effect at protrusion 323, the Fuel lance 1 sprays fuel to the combustion chamber 3 and lighted；The second level
Air enters the combustor head 31 by second hole 311, provides oxygen to burning；Third level air passes through institute
It states the second air duct 5 and enters the mixed air duct 4 from the high-pressure blast cavity 2, the flue gas generated with burning mixes, and reduces flue gas
Temperature so that flue-gas temperature is met the requirements.
In conclusion utility model has the advantages that
1, by setting described raised 323, so that the flue gas that single-stage combustion generates in the combustion chamber rear portion 32 has back
Effect is revolved, the stability for maintaining flame is conducive to.
2, by the way that second hole 311 is arranged, the air of elevated pressures can be used；The air of relative high pressure from
Big second hole 311 of bore enters the combustion chamber 3, the air of relative lower pressure from the bore it is small described the
Two holes 311 enter the combustion chamber 3, so that each load stage has suitable air to mend from second hole 311
Enter, is not in the situation for entering mass flow air in small flow fuel injection space to cause moment to stop working.
3, by the way that ovalisation is arranged in the front end of the mixed air duct 4, it can produce pancake air curtain.
4, realize that the multistage of air is injected by first hole 322, second hole 311, so that combustion flame
Stability it is strong, anti-air interference performance is strong, but also fuel combustion is more abundant, reaches energy-efficient purpose.
Although those familiar with the art answers the foregoing describe specific embodiment of the present utility model
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (6)
1. a kind of high-pressure hot wind burner, it is characterised in that: including a Fuel lance, a high-pressure blast cavity, a combustion chamber and
One mixed air duct；
The front end of the high-pressure blast cavity is connected with the mixed air duct, and the high-pressure blast cavity is logical equipped with one first air
Road；
The inside of the high-pressure blast cavity and mixed air duct is arranged in the combustion chamber, and the feed end of the combustion chamber is equipped with a charging
Mouthful, the surrounding of the feed inlet is equipped with a plurality of first holes, passes through institute between the combustion chamber and the high-pressure blast cavity
The first hole is stated to be interconnected；
The Fuel lance is fixed on the rear end of the high-pressure blast cavity, and the head of the Fuel lance stretches to the charging
In mouthful, the Fuel lance is equipped with a fuel channel.
2. high-pressure hot wind burner as described in claim 1, it is characterised in that: the combustion chamber includes integrally formed burning
Room leading portion and combustion chamber back segment；Outer wall of the combustion chamber leading portion in front end is equipped with an extension outward, and in the extension
One second air duct is formed between portion and the mixed air duct inner wall；The feed inlet and the first hole are set to the burning
The rear end of room back segment.
3. high-pressure hot wind burner as claimed in claim 2, it is characterised in that: the inner wall of the combustion chamber back segment be equipped with to
Few one for generating the protrusion of air swirl effect, and the section of the protrusion is in triangle status architecture.
4. high-pressure hot wind burner as claimed in claim 2, it is characterised in that: the side wall of the combustion chamber leading portion is fiery along going out
Direction is disposed with the second hole that a plurality of apertures become larger.
5. high-pressure hot wind burner as claimed in claim 4, it is characterised in that: the opening court of second hole goes out fiery direction
Inclination.
6. high-pressure hot wind burner as described in claim 1, it is characterised in that: the crater of the mixed air duct be it is round or
Ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820778541.0U CN208295910U (en) | 2018-05-23 | 2018-05-23 | A kind of high-pressure hot wind burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820778541.0U CN208295910U (en) | 2018-05-23 | 2018-05-23 | A kind of high-pressure hot wind burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208295910U true CN208295910U (en) | 2018-12-28 |
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ID=64728639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820778541.0U Active CN208295910U (en) | 2018-05-23 | 2018-05-23 | A kind of high-pressure hot wind burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899785A (en) * | 2019-03-27 | 2019-06-18 | 苏州博墨热能产品有限公司 | Pressure-air burner and combustion method |
-
2018
- 2018-05-23 CN CN201820778541.0U patent/CN208295910U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899785A (en) * | 2019-03-27 | 2019-06-18 | 苏州博墨热能产品有限公司 | Pressure-air burner and combustion method |
| CN109899785B (en) * | 2019-03-27 | 2020-10-09 | 苏州博墨热能产品有限公司 | High-pressure air combustion device and combustion method |
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