CN209512012U - A kind of large cross-section tunnel kiln burner structure - Google Patents
A kind of large cross-section tunnel kiln burner structure Download PDFInfo
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- CN209512012U CN209512012U CN201822215838.9U CN201822215838U CN209512012U CN 209512012 U CN209512012 U CN 209512012U CN 201822215838 U CN201822215838 U CN 201822215838U CN 209512012 U CN209512012 U CN 209512012U
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Abstract
A kind of large cross-section tunnel kiln burner structure, including fuel gas conduit, gas spray head, double thread pipe collar, air flow disk, air hose；Air flow disk is provided with two groups of air holes, and air is divided into the different air-flow of inside and outside two layers of flow velocity after shunting disk enters tunnel oven；Two groups of combustion gas spouts are provided in gas spray head, combustion gas is divided into the air-flow of inside and outside two layers of different directions after spray head enters tunnel oven；In tunnel oven, inner air occurs to mix for the first time first with outer layer combustion gas, as outer air and internal layer combustion gas are during entering tunnel oven, occur second to mix, original air is become into the process mixed twice with combustion gas mixed once process, combustion flame length has been elongated, spot temperature among large cross-section tunnel kiln is improved；Meanwhile the air hole being arranged on air flow disk, tunnel furnace air will be entered and carried out first compression, improve into air turbulence degree in tunnel oven, prevent air and the insufficient problem of combustion gas mixing.
Description
Technical field
The utility model relates to heat proof materials to fire tunnel kiln combustor technical field, and in particular to a kind of large cross-section tunnel
Kiln burner structure.
Background technique
It is known, the existing burner that tunnel oven is fired for heat proof material, in order to enable combustion gas to fill in tunnel oven
Divided combustion is provided with eddy flow tray at the rear portion of burner gas spray head, and air is in rotation status after eddy flow tray enters tunnel oven,
The combustion gas that can be sprayed with gas spray head is sufficiently mixed, and ensure that combustion gas full combustion；The burner of this structure is used for ordinary crossing
Can be worked normally when kiln, but the burner of this structure be used for large cross-section tunnel kiln when, then will appear because of air mixture combustion flame
It is shorter, it leads to the problem of among large cross-section tunnel kiln that spot temperature is relatively low, is placed on position among tunnel oven in process of production
Product be easy to appear and fire insufficient and dimension overproof, therefore large cross-section tunnel kiln can not be produced normally.
Utility model content
Led to not normally according to the existing large cross-section tunnel kiln mentioned in background technique because intermediate spot temperature is relatively low
The problem of production, the utility model provide a kind of large cross-section tunnel kiln burner structure, will be in original tunnel kiln combustor
The eddy flow tray of setting is changed to air flow disk, while having adjusted the ratio and setting of gas spray head radial jet nozzle and axial spout
Angle；Air is divided into the different air-flow of inside and outside two layers of flow velocity after air flow disk enters tunnel oven；Combustion gas through gas spray head into
After entering tunnel oven, it is divided into the combustion gas stream of inside and outside two layers of different directions；In tunnel oven, inner air is mixed with outer layer combustion gas first
It closes, while as outer air and internal layer combustion gas are during entering tunnel oven, being also gradually mixed, by original burning
Device air becomes the process gradually mixed twice with combustion gas mixed once process, therefore has elongated combustion flame length, improves
Spot temperature among large cross-section tunnel kiln, improves large cross-section tunnel kiln temperature uniformity, solves large cross-section tunnel kiln
Because of intermediate spot temperature relatively low the problem of can not normally producing.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical solution: a kind of large cross-section tunnel kiln combustion
Burner structure, including fuel gas conduit, gas spray head, double thread pipe collar, air flow disk, air hose；The gas spray head is side
End face is provided with the short cylindrical of blind hole, several inclined outer with cylinder axis being provided on the periphery of short cylindrical closed end
Layer combustion gas spout is provided with several and inclined center combustion gas spout of cylinder axis in blind hole bottom surface；Gas spray head setting is being fired
The end of tracheae is connect by double thread pipe collar with fuel gas conduit；The air flow disk is circular ring shape plate, is provided in plate face
Two groups of ventholes, wherein one group of venthole is outer air through-hole, another group is inner air through-hole, the outer air through-hole
Reference diameter is greater than inner air through-hole reference diameter；The setting of air flow disk is connected to combustion gas pipe outer wall close to double thread
At pipe collar；The gas spray head, double thread pipe collar, air flow disk are arranged in the inner hole of air hose.
Preferably, the quantity of the center combustion gas spout of the gas spray head is more than or equal to the quantity of outer layer combustion gas spout；Combustion
The diameter of the center combustion gas spout of gas nozzle is more than or equal to the diameter of outer layer combustion gas spout.
Preferably, the gas spray head center combustion gas spout Yu cylinder axis angle setting range be 15 ° to 30 ° it
Between；Outer layer combustion gas spout and cylinder axis angle the setting range of the gas spray head are between 55 ° to 75 °.
Preferably, the center combustion gas spout, outer layer combustion gas spout of the gas spray head are to be staggered, for constituting stabilization
Ectonexine fuel gas flow.
Preferably, the diameter of the outer air through-hole of air flow disk is greater than the diameter of inner air through-hole, for controlling
The mixed proportion of inner air and combustion gas.
Preferably, the outer air through-hole of air flow disk, inner air through-hole are to be staggered, stable for constituting
Ectonexine air draught.
Preferably, the inner air through-hole inlet end of air flow disk is provided with taper hole, passes through inner air for increasing
The air compression factor of through-hole improves flow velocity of the inner air in tunnel oven.
Due to the adoption of the technical scheme as described above, the utility model has the following beneficial effects:
The eddy flow tray being arranged in original tunnel kiln combustor is changed to sky by a kind of large cross-section tunnel kiln burner structure
Gas shunting disk, while having adjusted the ratio and setting angle of gas spray head outer layer combustion gas spout and center combustion gas spout；Air warp
After air flow disk enters tunnel oven, it is divided into the different air-flow of inside and outside two layers of flow velocity；Combustion gas after gas spray head enters tunnel oven,
It is divided into the air-flow of inside and outside two layers of different directions；In tunnel oven, inner air first with outer layer combustion gas mixing, while with outer layer
During air and internal layer combustion gas enter tunnel oven, also gradually it is mixed, original burner air and combustion gas is primary
Mixed process becomes the process gradually mixed twice, therefore has elongated combustion flame length, improves in large cross-section tunnel kiln
Between spot temperature, improve large cross-section tunnel kiln temperature uniformity, solve large cross-section tunnel kiln because non-uniform temperature leads to nothing
The problem of method normally produces；Meanwhile the air hole being arranged on air flow disk, tunnel furnace air will be entered and compressed,
The flow velocity for entering tunnel furnace air is improved, the turbulence level into tunnel furnace air has been increase accordingly, in delay outer air
While with internal layer combustion gas mixing, air and the insufficient problem of combustion gas mixing are prevented.
Detailed description of the invention
Fig. 1 is large cross-section tunnel kiln burner structure schematic diagram；
Fig. 2 is gas spray head the schematic diagram of the section structure；
Fig. 3 is gas spray head section A structural schematic diagram；
Fig. 4 is air flow dish structure schematic diagram；
Fig. 5 is air flow disk section B structure schematic diagram.
In figure: 1, fuel gas conduit；2, gas spray head；201, center combustion gas spout；202, outer layer combustion gas spout；3, double thread pipe
Hoop；4, air flow disk；401, outer air through-hole；402, inner air through-hole；5, air hose.
Specific embodiment
The utility model can be explained in more detail by the following examples, open the purpose of this utility model is intended to protect
All changes and improvements in the scope of the utility model are protected, the utility model is not limited by the following examples:
A kind of large cross-section tunnel kiln burner structure, including fuel gas conduit 1, gas spray head 2, double thread pipe collar 3, air flow
Disk 4, air hose 5；The gas spray head 2 is the short cylindrical that a side end face is provided with blind hole, close to short cylindrical closed end outer circle
It is provided with outer layer combustion gas spout 202 on face, blind hole bottom surface is provided with center combustion gas spout 201, it is center combustion gas spout 201, outer
The quantity of layer combustion gas spout 202 be set as six, diameter be 3.2 millimeters；The center combustion gas spout 201 and cylinder of gas spray head 2
Axis angle is set as 30 °；The outer layer combustion gas spout 202 and cylinder axis angle of gas spray head 2 are set as 55 °；Outer layer combustion gas
Spout 202 is staggered with center combustion gas spout 201；The end of fuel gas conduit 1 is arranged in the gas spray head 2, passes through double thread
Pipe collar 3 is connect with fuel gas conduit 1；The air flow disk 4 is circular ring shape plate, two groups of ventholes is provided in plate face, wherein one
Group venthole is outer air through-hole 401, and another group is inner air through-hole 402, and outer air through-hole 401 and inner air are logical
402 quantity of hole is 16, and the 401 place reference diameter of outer air through-hole is 76 millimeters, 402 institute of inner air through-hole
It is 56 millimeters in reference diameter, 401 diameter of outer air through-hole is 9 millimeters, and 402 diameter of inner air through-hole is 6 millimeters, into
Gas end is provided with 33 ° of taper hole；Outer air through-hole 401, inner air through-hole 402 are to be staggered；The air flow disk 4
Setting is connected to 1 outer wall of fuel gas conduit, close to double thread pipe collar 3；The gas spray head 2, double thread pipe collar 3, air flow disk 4 are set
It sets in the inner hole of air hose 5.
In actual use, air is divided into inside and outside large cross-section tunnel kiln burner after air flow disk 4 enters tunnel oven
The different air-flow of two layers of flow velocity；Combustion gas is also classified into the combustion gas of inside and outside two layers of different directions after gas spray head 2 enters tunnel oven
Stream；In tunnel oven, inner air is mixed with outer layer contacts fuel gas first, because internal layer air-flow by taper hole compress, flow velocity compared with
Speed and uniformity that inner air mixes for the first time with outer layer combustion gas can be improved in height；In addition, outer layer fuel gas flow direction with it is interior
Layer air-flow direction has 55 ° of angles, and speed and uniformity that inner air mixes for the first time with outer layer combustion gas also can be improved；Outside
Layer air and internal layer combustion gas are also gradually mixed with the process for going successively to tunnel oven；Large cross-section tunnel kiln burner will
Using the air and combustion gas mixed once process of eddy flow tray burner, become the process that air gradually mixes twice with combustion gas,
Therefore combustion flame length has been elongated；The air hole being arranged on air flow disk will actually enter tunnel furnace air and carry out
Compression, improves the flow velocity into tunnel furnace air, has increase accordingly the turbulence level into tunnel furnace air, has postponed
While outer air and internal layer combustion gas mixing, air and the insufficient problem of combustion gas mixing are prevented.
The non-detailed portion of the use of the new type is the prior art.
Claims (7)
1. a kind of large cross-section tunnel kiln burner structure, it is characterized in that: including fuel gas conduit (1), gas spray head (2), double thread pipe
Bind round (3), air flow disk (4), air hose (5)；The gas spray head (2) is the short cylindrical that a side end face is provided with blind hole,
Several and inclined outer layer combustion gas spout (202) of cylinder axis is provided on the periphery of short cylindrical closed end, at blind hole bottom
Face is provided with several and inclined center combustion gas spout (201) of cylinder axis；The gas spray head (2) is arranged in fuel gas conduit (1)
End, connect by double thread pipe collar (3) with fuel gas conduit (1)；The air flow disk (4) is circular ring shape plate, in plate face
Two groups of ventholes are provided with, wherein one group of venthole is outer air through-hole (401), another group is inner air through-hole (402),
Reference diameter is greater than reference diameter where inner air through-hole (402) where the outer air through-hole (401)；The sky
Gas shunting disk (4) setting is connected to fuel gas conduit (1) outer wall, close to double thread pipe collar (3)；The gas spray head (2), double thread pipe
Bind round (3), air flow disk (4) is arranged in the inner hole of air hose (5).
2. large cross-section tunnel kiln burner structure according to claim 1, it is characterized in that: the center of the gas spray head (2)
The quantity of combustion gas spout (201) is more than or equal to the quantity of outer layer combustion gas spout (202)；The center combustion gas spout of gas spray head (2)
(201) diameter is more than or equal to the diameter of outer layer combustion gas spout (202).
3. large cross-section tunnel kiln burner structure according to claim 1, it is characterized in that: the center of the gas spray head (2)
Combustion gas spout (201) and cylinder axis angle setting range are between 15 ° to 30 °；The outer layer gas injection of the gas spray head (2)
Mouth (202) and cylinder axis angle setting range are between 55 ° to 75 °.
4. large cross-section tunnel kiln burner structure according to claim 1, it is characterized in that: the center of the gas spray head (2)
Combustion gas spout (201), outer layer combustion gas spout (202) are to be staggered.
5. large cross-section tunnel kiln burner structure according to claim 1, it is characterized in that: the outer layer of air flow disk (4) is empty
The diameter of vent hole (401) is greater than the diameter of inner air through-hole (402).
6. large cross-section tunnel kiln burner structure according to claim 1, it is characterized in that: the outer layer of air flow disk (4) is empty
Vent hole (401), inner air through-hole (402) are to be staggered.
7. large cross-section tunnel kiln burner structure according to claim 1, it is characterized in that: the internal layer of air flow disk (4) is empty
Vent hole (402) inlet end is provided with taper hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215838.9U CN209512012U (en) | 2018-12-25 | 2018-12-25 | A kind of large cross-section tunnel kiln burner structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215838.9U CN209512012U (en) | 2018-12-25 | 2018-12-25 | A kind of large cross-section tunnel kiln burner structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209512012U true CN209512012U (en) | 2019-10-18 |
Family
ID=68197665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215838.9U Active CN209512012U (en) | 2018-12-25 | 2018-12-25 | A kind of large cross-section tunnel kiln burner structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209512012U (en) |
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2018
- 2018-12-25 CN CN201822215838.9U patent/CN209512012U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 471000 No. 1, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee after: Sinosteel luonai New Material Technology Co., Ltd Address before: 471000 No. 1, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: SiNOSTEEL Refractory Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 471000 No. 1, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee after: Sinosteel luonai Technology Co., Ltd Address before: 471000 No. 1, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: Sinosteel luonai New Material Technology Co.,Ltd. |