CN207958277U - A kind of burner - Google Patents
A kind of burner Download PDFInfo
- Publication number
- CN207958277U CN207958277U CN201820118401.0U CN201820118401U CN207958277U CN 207958277 U CN207958277 U CN 207958277U CN 201820118401 U CN201820118401 U CN 201820118401U CN 207958277 U CN207958277 U CN 207958277U
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- eddy flow
- annular
- cooling chamber
- outlet pipe
- water inlet
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Abstract
The utility model discloses a kind of burners, including fine coal jet pipe, oxygen steam jet, water inlet pipe and the outlet pipe being set with successively from inside to outside, it is equipped with cooling chamber in the end of water inlet pipe and outlet pipe, the annular partition being sequentially increased equipped with multiple radiuses in cooling chamber, the cooling chamber is separated into multiple annular cooling chambers, is interconnected between each annular cooling chamber；It is being equipped with eddy flow partition board between the water outlet inside pipe wall of the end of outlet pipe and water inlet pipe outer wall, to form eddy flow cooling chamber；The eddy flow cooling chamber is connected to between the annular cooling chamber of outlet pipe.The utility model uses all areas that the spiral-flow type type of cooling allows cooling water effectively to cover burner end face, keep burner head end all areas heat exchange efficiency consistent, thermal stress is uniform, thoroughly solves the problems, such as coiled type of cooling inlet and outlet heat exchange dead zone.
Description
Technical field
The utility model belongs to Key Equipment of Coal Gasification technical field, and in particular to a kind of burner.
Background technology
Burner is one of key equipment of Coal Gasification Technology, its main function is by fuel and gasifying agent with certain speed
Degree sprays into gasification furnace, and the two is then sufficiently mixed after-combustion, gasification by the special construction on burner head.Gasification furnace is normally transported
When row, burner head is under high temperature and high pressure environment, and temperature is usually above 1400 DEG C, and pressure is usually above 3MPa, therefore to burning
The requirement of mouth head material is high, and cooling structure is essential, if type of cooling design is unreasonable, it will lead to burner head
Heat exchange efficiency is low, thermal stress is excessively high, and the burner lost of life seriously affects the operational efficiency of gasification furnace.Existing burner cooling side
Formula there are cooling-water duct heat exchange dead zone, cooling water flow velocity is low, heat exchange efficiency is low the problems such as, under specifically entering：It is logical that there are cooling waters
Road heat exchange dead zone：The coil pipe type of cooling is influenced by fault of construction, there is the dead zone that recirculated cooling water can not flow through at entrance and exit,
The region is not due to having recirculated cooling water to carry out heat exchange cooling protection, and material is just chronically under high temperature and high pressure environment, thermal stress
It is excessively high, it is easy to it is impaired, lead to the burner lost of life；Heat exchange efficiency is low：Traditional heat exchange mode circulation area is excessive, flow velocity mistake
Low, heat exchange efficiency is low, causes burner head temperature to reduce few, material is still in the excessively high environment of temperature；It manages heat transfer zone
Wall is thicker：Jacket type, coiled head high temperature heat exchange area thickness of pipe wall are thicker, typically greater than 5mm, heat exchange efficiency compared with
It is low.
Invention content
For the defects in the prior art and insufficient, the utility model provides a kind of burner, and existing burner is overcome to cool down
The low defect of efficiency.
In order to achieve the above objectives, the utility model takes the following technical solution：
A kind of burner, including the fine coal jet pipe, oxygen steam jet, water inlet pipe and the outlet pipe that are set with successively from inside to outside,
The end of water inlet pipe and outlet pipe is equipped with cooling chamber, and the annular partition being sequentially increased equipped with multiple radiuses in cooling chamber will be described
Cooling chamber is separated into multiple annular cooling chambers, is interconnected between each annular cooling chamber；In going out close to the end of outlet pipe
It is equipped with eddy flow partition board between pipe inner wall and water inlet pipe outer wall, to form eddy flow cooling chamber；The eddy flow cooling chamber near
It is connected between the annular cooling chamber of outlet pipe.
The utility model also has following distinguishing feature：
Optionally, the annular cooling chamber near the oxygen steam jet is connected to the intake tunnel that water inlet pipe is formed.
Optionally, the end of the water inlet pipe and outlet pipe is equipped with first end cover, and first end cover is tightly connected in outlet pipe
Wall, the end of water inlet pipe and oxygen steam jet outer wall；The company of sealing between the end of outlet pipe and the end of oxygen steam jet
It is connected to second end cover；The cavity formed between first end cover and second end cover is the cooling chamber；In first end cover and second end
The annular partition is connected between lid.
Optionally, the first end cover is parallel to second end cover；The annular partition is perpendicular to first end cover.
Optionally, interior ring through hole, ring of the interior ring through hole connection near oxygen steam jet are equipped in the first end cover
The intake tunnel that shape cooling chamber is formed with water inlet pipe.
Optionally, outer ring through hole is equipped in the first end cover, outer ring through hole connection is cold near the annular of outlet pipe
But chamber and eddy flow cooling chamber.
Optionally, the eddy flow partition board includes multiple annular eddy flow partition boards, and multiple annular eddy flow partition boards are along outlet pipe
Axial distribution, each annular eddy flow divider upright is in the axial direction of outlet pipe；Annular eddy flow partition board is equipped with opening, each annular rotation
Partition board is flowed by the next annular eddy flow partition board of the open communication on annular eddy flow partition board, and the opening of each annular eddy flow partition board
An end connected by the connecting plate of an arc next annular eddy flow partition board opening an end, will be multiple
Annular eddy flow partition board forms cyclone structure.
Optionally, in the water inlet pipe undergauge section being sequentially reduced for caliber close to the end of water inlet pipe；Close to outlet pipe
End is the outlet pipe undergauge section that caliber is sequentially reduced；The water inlet inside pipe wall of eddy flow partition board connection water inlet pipe undergauge section with go out
The water outlet inside pipe wall of water pipe undergauge section.
Optionally, the internal diameter of multiple annular eddy flow partition boards of the eddy flow partition board subtracts with the reduction of the caliber of water inlet pipe
It is small；The outer diameter of multiple annular eddy flow partition boards of the eddy flow partition board reduces with the reduction of the caliber of outlet pipe.
Optionally, the fine coal jet pipe, oxygen steam jet, water inlet pipe are identical with the central shaft of outlet pipe；It is multiple annular every
Plate is arranged concentrically.
Compared with prior art, beneficial has the technical effect that the utility model：
(I) through the above technical solutions, the burner of the utility model burner the multiple annular cooling chambers of end set simultaneously
It is provided with eddy flow cooling chamber in the outlet pipe close to burner end, to allow cooling water to have using the spiral-flow type type of cooling
The all areas for covering burner end face of effect, keep burner head end all areas heat exchange efficiency consistent, thermal stress is uniform, thorough
Bottom solves the problems, such as coiled type of cooling inlet and outlet heat exchange dead zone, and head material is not in local thermal stress mistake
Big the problem of leading to the burner lost of life.
(II) optimization that the burner of the utility model carries out runner by the spiral-flow type type of cooling, by traditional single flow
It is changed to spiral-flow type, constriction in flow area increases turbulence intensity, and flow velocity increases, and the heat exchange efficiency of burner head end increases, burner
The reduction more effective than temperature under traditional type of cooling of the flue-gas temperature of the contact on head, material thermal stress reduce, and burner uses the longevity
Life also effectively extends, and ensure that the operational efficiency of gasification furnace.
(III) burner of the utility model has carried out effectively head high temperature heat transfer zone wall thickness by the spiral-flow type type of cooling
It reducing, generally no greater than 2mm improves heat exchange efficiency, further reduced the flue-gas temperature of head high-temperature region to greatest extent,
Substantially prolong the service life of burner.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the annular partition of the utility model.
Fig. 3 is the structural schematic diagram of the eddy flow partition board of the utility model.
Each label is expressed as in figure:1- fine coal jet pipes, 2- oxygen steam jets, 3- water inlet pipes, 4- outlet pipes, 5- central shafts,
6- first end covers, 7- second end covers, 8- annular partitions, 9- eddy flow partition boards；
91- annular eddy flow partition boards, 92- connecting plates.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with Figure of description.It should be understood that
It is that specific embodiment described herein is merely to illustrate and explains the utility model is not intended to limit the utility model.
As shown in Figure 1 to Figure 3, a kind of burner, including be set with successively from inside to outside fine coal jet pipe 1, oxygen steam jet 2,
Water inlet pipe 3 and outlet pipe 4 are equipped with cooling chamber in the end of water inlet pipe 3 and outlet pipe 4, multiple radiuses are equipped with successively in cooling chamber
Cooling chamber is separated into multiple annular cooling chambers, is interconnected between each annular cooling chamber by increased annular partition 8；By
It is equipped with eddy flow partition board 9 between 3 outer wall of 4 inner wall of outlet pipe and water inlet pipe of the end of nearly outlet pipe 4, to form eddy flow cooling chamber；
Eddy flow cooling chamber is connected to between the annular cooling chamber of outlet pipe 4.
Through the above technical solutions, the burner of the utility model burner the multiple annular cooling chambers of end set and by
It is provided with eddy flow cooling chamber in the outlet pipe of nearly burner end, to keep cooling water effective using the spiral-flow type type of cooling
The all areas for covering burner end face keep burner head end all areas heat exchange efficiency consistent, and thermal stress is uniform, thoroughly solve
The problem of coiled type of cooling inlet and outlet of having determined heat exchange dead zone, head material, which is not in that local thermal stress is excessive, leads
The problem of causing the burner lost of life；The optimization that the burner of the utility model carries out runner by the spiral-flow type type of cooling, will pass
The single flow of system is changed to spiral-flow type, and constriction in flow area increases turbulence intensity, and flow velocity increases, the heat exchange effect of burner head end
Rate increases, and the flue-gas temperature of the contact on burner head reduction more effective than temperature under traditional type of cooling, material thermal stress reduces,
Burner service life also effectively extends, and ensure that the operational efficiency of gasification furnace；The burner of the utility model is cooled down by spiral-flow type
Mode has carried out effective reduction, generally no greater than 2mm to head high temperature heat transfer zone wall thickness, improves heat exchange effect to greatest extent
Rate further reduced the flue-gas temperature of head high-temperature region, substantially prolong the service life of burner.
In specific implementation mode shown in Fig. 1, near annular cooling chamber and the formation of water inlet pipe 3 of oxygen steam jet 2
Intake tunnel connection.To make cooling water flow into from water inlet pipe 3 innermost circle of annular cooling chamber, then pass through each annular partition
Opening on 8 flows into the annular cooling chamber of outmost turns from the annular cooling chamber of innermost circle step by step, finally flows into eddy flow cooling chamber.From
And all areas of burner end face are effectively covered, keep burner head end all areas heat exchange efficiency consistent, thermal stress is equal
It is even, thoroughly solve the problems, such as coiled type of cooling inlet and outlet heat exchange dead zone.
In the present embodiment, the end of water inlet pipe 3 and outlet pipe 4 is equipped with first end cover 6, and first end cover 6 is tightly connected
The outer wall of the end and oxygen steam jet 2 of 4 inner wall of outlet pipe, water inlet pipe 3；End in the end of outlet pipe 4 and oxygen steam jet 2
Second end cover 7 is sealedly connected between portion；The cavity formed between first end cover 6 and second end cover 7 is the cooling chamber；
Annular partition 8 is connected between one end cap 6 and second end cover 7.The cooling that the laying mode of first end cover 6 and second end cover 7 is formed
Chamber allows cooling water effectively to cover all areas of burner end face, makes burner head end all areas heat exchange efficiency one
It causes, thermal stress is uniform；The laying mode of annular partition 8 forms multiple annular cooling chambers, and to increase turbulence intensity, flow velocity increases
Add, the heat exchange efficiency of burner head end increases.
Specifically, first end cover 6 is parallel to second end cover 7；Annular partition 8 is perpendicular to first end cover 6.6 He of first end cover
The laying mode of second end cover 7 makes the annular cooling chamber between second end cover 7 and first end cover 6 give full play to cooling effect, together
When ensure burner head end all areas heat exchange efficiency it is consistent, thermal stress is uniform.
In the present embodiment, interior ring through hole is equipped in first end cover 6, interior ring through hole connection is near oxygen steam jet
The intake tunnel that 2 annular cooling chamber is formed with water inlet pipe 3.To make cooling water flow into annular cooling chamber most from water inlet pipe 3
Inner ring, then the annular cooling of outmost turns is flowed by the opening on each annular partition 8 step by step from the annular cooling chamber of innermost circle
Chamber finally flows into eddy flow cooling chamber.
Outer ring through hole, annular cooling chamber and eddy flow of the outer ring through hole connection near outlet pipe 4 are equipped in first end cover 6
Cooling chamber.Cooling water is set to finally flow into eddy flow cooling chamber from annular cooling chamber.
In the present embodiment, eddy flow partition board 9 includes multiple annular eddy flow partition boards 91, and multiple annular 91 edges of eddy flow partition board
The axial distribution of outlet pipe 4, axial direction of each annular eddy flow partition board 91 perpendicular to outlet pipe 4；Annular eddy flow partition board 91 is equipped with
Opening, each annular eddy flow partition board 91 by the next annular eddy flow partition board 91 of the open communication on annular eddy flow partition board 91, and
One end of the opening of each annular eddy flow partition board 91 by the connecting plate 92 of an arc connect next annular eddy flow every
Multiple annular eddy flow partition boards 91 are formed cyclone structure by one end of the opening of plate 91.Pass through the spiral-flow type type of cooling pair
Traditional single flow is changed to spiral-flow type by the optimization that runner carries out, and constriction in flow area increases turbulence intensity, and flow velocity increases, and burns
The heat exchange efficiency of mouth end surface increases, the flue-gas temperature of the contact on burner head drop more effective than temperature under traditional type of cooling
It is low.In other embodiments, eddy flow partition board 9 can be arranged to other cyclone structures, be attained by and realize eddy flow cooling side
The purpose of formula.
Specifically, in the 3 undergauge section of water inlet pipe being sequentially reduced for caliber close to the end of water inlet pipe 3；Close to outlet pipe 4
End be the 4 undergauge section of outlet pipe that is sequentially reduced of caliber；Eddy flow partition board 9 connect 3 undergauge section of water inlet pipe 3 inner wall of water inlet pipe with
4 inner wall of outlet pipe of 4 undergauge section of outlet pipe.Eddy flow partition board 9 is laid in the undergauge section of water inlet pipe 3 and outlet pipe 4, spiral-flow type is cold
But mode increases turbulence intensity, and flow velocity increases, and the heat exchange efficiency near burner head increases, and further reduced head high-temperature region
Flue-gas temperature, substantially prolong the service life of burner.
The internal diameter of multiple annular eddy flow partition boards 91 of eddy flow partition board 9 reduces with the reduction of the caliber of water inlet pipe 3；Eddy flow every
The outer diameter of multiple annular eddy flow partition boards 91 of plate 9 reduces with the reduction of the caliber of outlet pipe 4.Realize the multiple of eddy flow partition board 9
Annular eddy flow partition board 91 and the cooperation of water inlet pipe 3 and outlet pipe 4 are installed.
In another embodiment, 5 phase of central shaft of fine coal jet pipe 1, oxygen steam jet 2, water inlet pipe 3 and outlet pipe 4
Together；Multiple annular partitions 8 are arranged concentrically.While so that the installation between all parts is more met industrial requirements, make burner head
End face all areas heat exchange efficiency is consistent, and thermal stress is uniform.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of burner, including be set with successively from inside to outside fine coal jet pipe (1), oxygen steam jet (2), water inlet pipe (3) and go out
Water pipe (4), which is characterized in that be equipped with cooling chamber in the end of water inlet pipe (3) and outlet pipe (4), multiple half are equipped in cooling chamber
The cooling chamber is separated into multiple annular cooling chambers, each phase between annular cooling chamber by the annular partition (8) that diameter is sequentially increased
It is intercommunicated；
Eddy flow partition board (9) is equipped between outlet pipe (4) inner wall and water inlet pipe (3) outer wall close to the end of outlet pipe (4), with
Form eddy flow cooling chamber；The eddy flow cooling chamber is connected to between the annular cooling chamber of outlet pipe (4).
2. burner as described in claim 1, which is characterized in that near the oxygen steam jet (2) annular cooling chamber with
The intake tunnel connection that water inlet pipe (3) is formed.
3. burner as described in claim 1, which is characterized in that the end of the water inlet pipe (3) and outlet pipe (4) is equipped with first
End cap (6), first end cover (6) are tightly connected the outer of outlet pipe (4) inner wall, the end of water inlet pipe (3) and oxygen steam jet (2)
Wall；Second end cover (7) is sealedly connected between the end of outlet pipe (4) and the end of oxygen steam jet (2)；First end cover
(6) cavity formed between second end cover (7) is the cooling chamber；It is connected between first end cover (6) and second end cover (7)
The annular partition (8).
4. burner as claimed in claim 3, which is characterized in that the first end cover (6) is parallel to second end cover (7)；It is described
Annular partition (8) is perpendicular to first end cover (6).
5. burner as claimed in claim 3, which is characterized in that be equipped with interior ring through hole in the first end cover (6), inner ring is logical
Hole is connected to the intake tunnel formed with water inlet pipe (3) near the annular cooling chamber of oxygen steam jet (2).
6. burner as claimed in claim 3, which is characterized in that be equipped with outer ring through hole in the first end cover (6), outer ring is logical
Hole is connected to annular cooling chamber and eddy flow cooling chamber near outlet pipe (4).
7. burner as described in claim 1, which is characterized in that the eddy flow partition board (9) includes multiple annular eddy flow partition boards
(91), and multiple annular eddy flow partition boards (91) are along the axial direction distribution of outlet pipe (4), and each annular eddy flow partition board (91) is perpendicular to going out
The axial direction of water pipe (4)；Annular eddy flow partition board (91) is equipped with opening, and each annular eddy flow partition board (91) passes through annular eddy flow partition board
(91) the next annular eddy flow partition board (91) of open communication on, and an end of the opening of each annular eddy flow partition board (91)
The end that the opening of next annular eddy flow partition board (91) is connected by the connecting plate (92) of an arc, by multiple rings
Shape eddy flow partition board (91) forms cyclone structure.
8. burner as claimed in claim 7, which is characterized in that be what caliber was sequentially reduced close to the end of water inlet pipe (3)
Water inlet pipe (3) undergauge section；In outlet pipe (4) the undergauge section being sequentially reduced for caliber close to the end of outlet pipe (4)；The eddy flow
Partition board (9) connects outlet pipe (4) inner wall of water inlet pipe (3) inner wall and outlet pipe (4) undergauge section of water inlet pipe (3) undergauge section.
9. burner as claimed in claim 8, which is characterized in that multiple annular eddy flow partition boards (91) of the eddy flow partition board (9)
Internal diameter reduce with the reduction of the caliber of water inlet pipe (3)；Outside multiple annular eddy flow partition boards (91) of the eddy flow partition board (9)
Diameter reduces with the reduction of the caliber of outlet pipe (4).
10. the burner as described in claim 1 to 9 any claim, which is characterized in that the fine coal jet pipe (1), oxygen steam
The central shaft (5) of jet pipe (2), water inlet pipe (3) and outlet pipe (4) is identical；Multiple annular partitions (8) are arranged concentrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820118401.0U CN207958277U (en) | 2018-01-24 | 2018-01-24 | A kind of burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820118401.0U CN207958277U (en) | 2018-01-24 | 2018-01-24 | A kind of burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207958277U true CN207958277U (en) | 2018-10-12 |
Family
ID=63734860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820118401.0U Active CN207958277U (en) | 2018-01-24 | 2018-01-24 | A kind of burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207958277U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022043A (en) * | 2018-10-14 | 2018-12-18 | 北京精益增材科技有限公司 | A kind of new type coal gasification process burner nozzle |
| CN109185876A (en) * | 2018-10-25 | 2019-01-11 | 中国船舶重工集团公司第七研究所 | The cooling jacket with heat exchange fin for coal gasification burner |
| CN114854452A (en) * | 2021-02-04 | 2022-08-05 | 清华大学 | Water-cooling jacket of coal gasification burner and gasifier |
-
2018
- 2018-01-24 CN CN201820118401.0U patent/CN207958277U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109022043A (en) * | 2018-10-14 | 2018-12-18 | 北京精益增材科技有限公司 | A kind of new type coal gasification process burner nozzle |
| CN109022043B (en) * | 2018-10-14 | 2024-01-30 | 北京精益增材科技有限公司 | Novel coal gasification process burner nozzle |
| CN109185876A (en) * | 2018-10-25 | 2019-01-11 | 中国船舶重工集团公司第七研究所 | The cooling jacket with heat exchange fin for coal gasification burner |
| CN114854452A (en) * | 2021-02-04 | 2022-08-05 | 清华大学 | Water-cooling jacket of coal gasification burner and gasifier |
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