CN212618266U - Baking kiln gun - Google Patents
Baking kiln gun Download PDFInfo
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- CN212618266U CN212618266U CN202020531683.4U CN202020531683U CN212618266U CN 212618266 U CN212618266 U CN 212618266U CN 202020531683 U CN202020531683 U CN 202020531683U CN 212618266 U CN212618266 U CN 212618266U
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- air holes
- mixed air
- gun
- rear end
- inner sleeve
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Abstract
A baking kiln gun comprises a gun head, a gun body outer shell, a rear end cover and an inner sleeve; the gun head, the gun body shell and the rear end cover are sequentially and coaxially communicated and fixed; the inner sleeve is a hollow cylinder and is arranged inside the gun body outer shell, the rear end of the inner sleeve is vertically fixed on the bottom surface of the rear end cover, and the outer wall of the inner sleeve and the inner wall of the gun body outer shell are arranged in a clearance mode; the side wall of the inner sleeve is provided with a primary mixed air hole and a secondary mixed air hole, and the diameter of the secondary mixed air hole is larger than that of the primary mixed air hole; the multiple primary mixed air holes of each group are arranged along the same bus, the diameters of the multiple primary mixed air holes of each group are sequentially increased from back to front, the multiple secondary mixed air holes of each group are arranged along the same bus, and the buses of the adjacent group of primary mixed air holes and the group of secondary mixed air holes are arranged in a staggered manner; the secondary mixing air hole is communicated with a cylindrical air inlet formed by an inclined hollow cylinder, and an air inlet of the cylindrical air inlet faces the rear end cover. Two groups of primary mixing air holes are arranged between two adjacent groups of secondary mixing air holes at intervals.
Description
Technical Field
The utility model relates to a glass production field specifically is a roasting kiln rifle.
Background
In the TFT glass production process, a kiln gun is a key device for heating a kiln in the early stage. In the actual kiln baking process of the novel G8.5 kiln, the normal temperature rise of the kiln is seriously influenced due to the reduction of the working performance of equipment such as a kiln baking gun and the like in a high-temperature environment. The current roasting kiln rifle is carrying out G8.5 kiln intensification in-process, the rifle head in the roasting kiln rifle structure often receives the impact of high-heat current and high temperature air current erodees and leads to warping, the inside gas pocket of roasting kiln rifle is arranged and is inhomogeneous at the during operation gas mixture, lead to the not abundant easy carbon deposit that produces of intensification in-process burning, the roasting kiln rifle takes place the carbonization with higher speed, the height and the length of the intensification flame that the roasting kiln rifle head jetted do not reach the requirement, lead to the temperature fluctuation big, the quality of direct influence roasting kiln and the production quality of later stage product. The existing baking kiln gun has the problems that the internal gas is not uniformly mixed, carbon deposition is easily generated, the height and the length of heating flame cannot meet the requirements, and the baking kiln effect is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a kiln gun which can fully mix the combustion gas and reduce the phenomenon of carbon deposition; the height and the length of the heating flame of the kiln are improved, the temperature of the kiln gun is stably heated in the kiln process, the working performance and the service life of the kiln gun are improved, and the energy consumption is effectively reduced.
The utility model discloses a realize through following technical scheme:
a baking kiln gun comprises a gun head, a gun body outer shell, a rear end cover and an inner sleeve;
the gun head, the gun body shell and the rear end cover are sequentially and coaxially communicated and fixed; the inner sleeve is a hollow cylinder and is arranged inside the gun body outer shell, the rear end of the inner sleeve is vertically fixed on the bottom surface of the rear end cover, and the outer wall of the inner sleeve and the inner wall of the gun body outer shell are arranged in a clearance mode; the outer side surface of the gun body shell is respectively communicated with an ignition port and an air inlet, and the rear end cover is provided with a natural gas nozzle communicated with the inner sleeve;
the side wall of the inner sleeve is provided with mixed air holes, the mixed air holes comprise primary mixed air holes arranged at the upper part and secondary mixed air holes arranged at the lower part, and the diameter of each secondary mixed air hole is larger than that of each primary mixed air hole; the multiple primary mixed air holes of each group are arranged along the same bus, the diameters of the multiple primary mixed air holes of each group are sequentially increased from back to front, the multiple secondary mixed air holes of each group are arranged along the same bus, and the buses of the adjacent group of primary mixed air holes and the group of secondary mixed air holes are arranged in a staggered manner;
the flame outlet of the gun head is arranged in an inclined angle, and the inclined direction points to the air inlet.
Preferably, the secondary mixing air hole is communicated with a cylindrical air inlet formed by an inclined hollow cylinder, and an air inlet of the cylindrical air inlet faces the rear end cover.
Preferably, two groups of primary mixing air holes are arranged between two adjacent groups of secondary mixing air holes at intervals.
Preferably, two transition air holes are formed in each group of secondary mixed air holes along the same bus.
Preferably, the flame outlet inclination angle of the lance tip is 170 degrees.
Preferably, the rear end cover is provided with a viewing port.
Preferably, the air inlet is provided with a regulating air valve.
Preferably, the lance head and the lance body housing are fixedly connected through a flange.
Preferably, the cylindrical air inlet is connected with the inner sleeve in a welding mode.
Preferably, the material of the gun head is SUS310S stainless steel.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a baking kiln gun, which provides mixed air inlet at different positions through the primary mixed air hole and the secondary mixed air hole which are arranged on the inner sleeve in a staggered way, so that air and natural gas are gradually and uniformly mixed and are fully combusted; the gun head flame ejection outlet is obliquely arranged, so that the height and the length of the heating flame of the roasting kiln are increased, the efficiency of the roasting kiln is improved, and the balance of the temperature of the roasting kiln is ensured.
Further, a cylindrical air inlet formed by an inclined hollow cylinder is communicated with the secondary mixing air hole, and an air inlet of the cylindrical air inlet faces the rear end cover; the height of the air inlet is increased by the obliquely arranged cylindrical air inlet, and the air inlet rate is improved.
Furthermore, two groups of primary mixing air holes are arranged between two adjacent groups of secondary mixing air holes at intervals, so that air can be uniformly fed into the air holes conveniently.
Furthermore, each group of secondary mixed air holes is provided with two transitional air holes along the same bus, and an air inlet channel is provided for air at the axial line interval of the primary mixed air holes.
Furthermore, the rear end cover is provided with an observation port. The combustion state of the mixed gas can be observed conveniently, and the gas-quantity mixing proportion can be adjusted.
Further, the gun head and the gun body shell are fixedly connected through a flange. The gun head is convenient to replace, and the height and the length of the heating flame of the roasting kiln are adjusted.
Further, SUS310S stainless steel was used as the material of the lance tip. The gun head can bear the impact of high heat flow and the high-temperature air flow scouring, the deformation of the gun head is reduced, the service life of the baking kiln gun is prolonged, the self-loss temperature of the baking kiln gun is reduced, and the quality of the baking kiln is effectively ensured.
Drawings
FIG. 1 is a schematic view of the structure of the baking kiln gun of the present invention;
FIG. 2 is an expanded view of the inner sleeve of the baking kiln of the present invention;
FIG. 3 is a perspective view of the inner sleeve of the baking kiln of the present invention;
in the figure: 1 is a gun head; 2 is a flange; 3 is a gun body shell; 4 is an ignition port; 5 is an inner cavity; 6 is a rear end cover; 7 is a viewing port; 8 is a natural gas nozzle; 9 is an adjusting air valve; 10 is an inner sleeve; 11 is a cylindrical air inlet; 12 is an air inlet; 13 is a primary mixed air hole; 14 is a secondary mixed air hole; and 15 is a transition air hole.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings, which are provided for purposes of illustration and not limitation.
As shown in fig. 1, a baking kiln gun comprises a gun head 1, a gun body outer shell 3, a rear end cover 6 and an inner sleeve 10; the gun head 1, the gun body 3 and the rear end cover 6 are fixedly connected in sequence; the inner sleeve 10 is a hollow cylinder, is arranged inside the gun body 3 and is vertically fixed on the bottom surface of the rear end cover 6. The side surface of the gun body 3 is provided with an ignition port 4 and an air inlet 12, and the air inlet 12 is controlled by an adjusting air valve 9; the rear end cover 6 is provided with a natural gas nozzle 8 communicated with the inner sleeve 10. The inner sleeve 10 is a hollow cylinder, a plurality of air holes are arranged on the surface of the cylinder, and the diameters of the air holes are sequentially increased from bottom to top; the lance tip 1 is made of SUS310S stainless steel, and the firing angle of the kiln flame outlet is 170 °, and the oblique direction is directed to the air inlet 12. The side wall of the inner sleeve 10 is provided with mixed air holes, the mixed air holes comprise primary mixed air holes 13 arranged at the upper part and secondary mixed air holes 14 arranged at the lower part, and the diameter of each secondary mixed air hole 14 is larger than that of each primary mixed air hole 13; the multiple primary mixed air holes 13 in each group are arranged along the same bus, the diameters of the multiple secondary mixed air holes 14 in each group are sequentially increased from back to front, the multiple secondary mixed air holes 14 in each group are arranged along the same bus, and the buses of the adjacent group of primary mixed air holes 13 and the group of secondary mixed air holes 14 are arranged in a staggered manner; the secondary mixing air hole 14 is communicated with a cylindrical air inlet 11 formed by an inclined hollow cylinder, and an air inlet of the cylindrical air inlet 11 faces the rear end cover 6.
Example 1
A baking kiln gun comprises a gun head 1, a gun body outer shell 3, a rear end cover 6 and an inner sleeve 10; the gun head 1, the gun body 3 and the rear end cover 6 are fixedly connected in sequence; gun head 1 and the gun body 3 are connected through flange 2, gun body 3 and rear end cover 6 are fixedly connected through bolts, and inner sleeve 10 is arranged inside gun body 3 and fixed on the bottom surface of rear end cover 6. One side surface of the gun body 3 is provided with an ignition port 4, the other opposite side surface is provided with an air inlet 12, and the air inlet 12 is controlled by an adjusting air valve 9; the center of the rear end cover 6 is provided with a natural gas nozzle 8. The inner sleeve 10 is a hollow cylinder, and a plurality of mixed air holes are axially formed in the side wall of the inner sleeve 10; the lance tip 1 is made of SUS310S stainless steel, and the firing angle of the kiln flame outlet is 170 °, and the oblique direction is directed to the air inlet 12. The gun head is not easy to deform and the heat radiation of the flame reaches the temperature required by the kiln.
As shown in fig. 2 and 3, innerA plurality of mixed air holes are axially arranged on the side wall of the sleeve 10, each mixed air hole comprises a primary mixed air hole 13 arranged at the upper part and a secondary mixed air hole 14 arranged at the lower part, and the diameter of each secondary mixed air hole 14 is larger than that of the primary mixed air hole 13; the multiple primary mixed air holes 13 in each group are arranged along the same bus, the diameters of the multiple secondary mixed air holes 14 in each group are sequentially increased from back to front, the multiple secondary mixed air holes 14 in each group are arranged along the same bus, and the buses of the adjacent group of primary mixed air holes 13 and the group of secondary mixed air holes 14 are arranged in a staggered manner; the secondary mixing air hole 14 is communicated with a cylindrical air inlet 11 formed by an inclined hollow cylinder, and the shape of a valve communicated with the secondary mixing air hole 14 and the cylindrical air inlet 11 is oval. The gas inlet of the cylindrical gas inlet 11 is directed towards the rear end cap 6. The diameter of the primary mixed air hole 13 is from large to small
Two groups of primary mixing air holes 13 are arranged between two adjacent groups of secondary mixing air holes 14 at intervals.
Each group of secondary mixing air holes 14 is provided with two transition air holes 15 along the same bus. An inlet passage is provided for gas at the axial spacing of the primary mixing vents. The size of the air holes meets the combustion requirement and reaches the temperature rise of the kiln, so that the phenomenon that carbon deposition is easily generated due to insufficient combustion in the temperature rise process is avoided, the temperature required by the kiln is reached, and the energy consumption is effectively reduced. Finally, the service life of the baking kiln gun is prolonged. The size, the size and the layout of the holes on the inner sleeve of the baking kiln gun are modified according to the gas consumption and the gas mixing area, so that the sufficient combustion is ensured.
In the working process, the natural gas nozzle 8 and the adjusting air valve 9 are opened, so that air and natural gas enter the inner cavity 5, the air is gradually mixed with the natural gas through the primary mixed air holes 13 and the secondary mixed air holes 14 on the inner sleeve 10, the staggered air holes improve the mixing rate of combustion gas, the obliquely arranged cylindrical air inlet 11 absorbs the circulating air, the air utilization rate is increased, the gas is ignited at the ignition port 4, the flame is sprayed from the flame outlet of the gun head 1, the height and the length of the heating flame of the roasting kiln are reached, and the heating of the roasting kiln is carried out.
Claims (10)
1. A baking kiln gun is characterized by comprising a gun head (1), a gun body outer shell (3), a rear end cover (6) and an inner sleeve (10);
the gun head (1), the gun body shell (3) and the rear end cover (6) are sequentially and coaxially communicated and fixed; the inner sleeve (10) is a hollow cylinder and is arranged inside the gun body outer shell (3), the rear end of the inner sleeve is vertically fixed on the bottom surface of the rear end cover (6), and the outer wall of the inner sleeve (10) and the inner wall of the gun body outer shell (3) are arranged in a clearance mode; the outer side surface of the gun body shell (3) is respectively communicated with an ignition port (4) and an air inlet (12), and the rear end cover (6) is provided with a natural gas nozzle (8) communicated with the inner sleeve (10);
the side wall of the inner sleeve (10) is provided with mixed air holes, the mixed air holes comprise primary mixed air holes (13) arranged at the upper part and secondary mixed air holes (14) arranged at the lower part, and the diameter of each secondary mixed air hole (14) is larger than that of each primary mixed air hole (13); the multiple primary mixed air holes (13) of each group are arranged along the same bus, the diameters of the multiple primary mixed air holes are sequentially increased from back to front, the multiple secondary mixed air holes (14) of each group are arranged along the same bus, and the buses of the adjacent group of primary mixed air holes (13) and the group of secondary mixed air holes (14) are arranged in a staggered manner;
the flame outlet of the gun head (1) is arranged in an inclined angle, and the inclined direction points to the air inlet (12).
2. The baking furnace gun according to claim 1, wherein a cylindrical air inlet (11) formed by an inclined hollow cylinder is communicated with the secondary mixing air hole (14), and the air inlet of the cylindrical air inlet (11) faces the rear end cover (6).
3. Kiln gun according to claim 2, characterized in that the cylindrical air inlet (11) is welded to the inner sleeve (10).
4. The kiln gun according to claim 1, wherein two sets of primary mixing air holes (13) are arranged at intervals between two adjacent sets of secondary mixing air holes (14).
5. The kiln gun according to claim 1, characterized in that each group of secondary mixing air holes (14) is provided with two transition air holes (15) along the same generatrix.
6. The roasting kiln gun according to claim 1, characterized in that the flame exit inclination of the lance head (1) is 170 °.
7. Kiln gun according to claim 1, characterized in that the rear end cap (6) is provided with a viewing opening (7).
8. Kiln gun according to claim 1, characterized in that the air inlet (12) is provided with a regulating air valve (9).
9. Baking kiln gun according to claim 1, characterized in that the lance head (1) and the lance body housing (3) are fixedly connected by means of a flange (2).
10. The roasting kiln gun according to claim 1, characterized in that the material of the lance tip (1) is SUS310S stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531683.4U CN212618266U (en) | 2020-04-10 | 2020-04-10 | Baking kiln gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020531683.4U CN212618266U (en) | 2020-04-10 | 2020-04-10 | Baking kiln gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212618266U true CN212618266U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020531683.4U Active CN212618266U (en) | 2020-04-10 | 2020-04-10 | Baking kiln gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212618266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501656A (en) * | 2021-06-30 | 2021-10-15 | 陕西彩虹工业智能科技有限公司 | Flexible glass baking furnace gun |
-
2020
- 2020-04-10 CN CN202020531683.4U patent/CN212618266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501656A (en) * | 2021-06-30 | 2021-10-15 | 陕西彩虹工业智能科技有限公司 | Flexible glass baking furnace gun |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan Shaohong special glass Co.,Ltd. Assignor: CAIHONG GROUP Co.,Ltd. Contract record no.: X2023980042112 Denomination of utility model: A type of baking gun Granted publication date: 20210226 License type: Common License Record date: 20230922 |