CN210624512U - Cyclone burner and cyclone burner ventilation air methane spraying system - Google Patents
Cyclone burner and cyclone burner ventilation air methane spraying system Download PDFInfo
- Publication number
- CN210624512U CN210624512U CN201920990842.4U CN201920990842U CN210624512U CN 210624512 U CN210624512 U CN 210624512U CN 201920990842 U CN201920990842 U CN 201920990842U CN 210624512 U CN210624512 U CN 210624512U
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- CN
- China
- Prior art keywords
- burner
- ventilation air
- cyclone burner
- pipe
- guide pipe
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- 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.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 74
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 46
- 238000005507 spraying Methods 0.000 title claims description 5
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000000446 fuel Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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Abstract
The utility model relates to a cyclone burner technical field, in particular to a cyclone burner and a cyclone burner ventilation air injection system, which comprises a burner body, wherein one end of the burner body positioned outside a hearth is provided with a feeding pipe, one end of the burner body positioned inside the hearth is provided with a main primary air nozzle, the outer side of the main primary air nozzle is provided with a main air bellows, the bottom of the burner body is provided with an air guide pipe, a spacing sleeve is fixed inside a spacing column on the air guide pipe, the air guide pipe is sleeved with an adjusting pipe, the joint of the outer side of the adjusting pipe and the air guide pipe is provided with a sealing sleeve, the lateral part of one end of the adjusting pipe opposite to the air guide pipe is provided with a ventilation air duct, the other end of the ventilation air duct is provided with a ventilation air vent nozzle, and the outer side of the ventilation air vent nozzle is provided with a ventilation air bellows, the utility model is convenient for adjusting the position of the ventilation air duct, the generation of fuel type NO is reduced.
Description
Technical Field
The utility model relates to a cyclone burner technical field especially relates to a cyclone burner and cyclone burner ventilation air methane injection system.
Background
When the existing pulverized coal boiler burns, especially the pulverized coal boiler burning low reaction characteristic coal, such as lean coal and anthracite, a concentrated intensified firing burner is generally adopted, the burner divides primary air of a pulverized coal pipeline into two parts of main primary air and ventilation air methane inside the burner, the main primary air carries 85% -90% of pulverized coal and about 50% of air to enter a hearth for burning, the ventilation air methane carries the rest 10% -15% of pulverized coal and 50% of air to be sent into the hearth from the ventilation air methane pipeline, the mode of sending the primary air into the hearth mainly concentrates the concentration of the primary air pulverized coal, reduces ignition heat required by low volatile component ignition of the pulverized coal, is beneficial to ignition and stable burning of the low reaction characteristic coal, for the boiler adopting the concentrated cyclone burner, the arrangement mode of the ventilation air methane has a relatively simple structure, but the ventilation air methane nozzle is close to the main burner, the ventilation air flow easily forms interference on main flame, which is not beneficial to low-load stable combustion of the boiler, and meanwhile, ventilation air with lower temperature can form interference on an aerodynamic field of a main burner after being introduced into a hearth, so that the ignition and stable combustion performance of the main burner is reduced, especially under the low-load working condition of lower average temperature of the hearth of the boiler.
The combustor and the ventilation air methane nozzle are arranged in a centralized mode through the front wall and the rear wall, so that oxygen content in the area near the main combustor is higher, the combustor is supplied with sufficient air quantity in the early stage of ignition and combustion, due to the fact that a large amount of oxygen in the air sufficiently intervenes in the combustion process, fuel type NO is often generated in a large amount, the NOx reduction layer is not good, the positions of the ventilation air methane nozzle and the main primary air nozzle cannot be adjusted according to the actual condition of the installation hearth of the existing cyclone combustor, and the limitation is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the position of an air exhaust nozzle of a cyclone burner can not be adjusted in the prior art, using the burner to be limited and providing a cyclone burner and a cyclone burner air exhaust spraying system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cyclone burner and a cyclone burner ventilation air injection system are designed, the cyclone burner and the cyclone burner ventilation air injection system comprise a burner body and a hearth, the burner body penetrates through the hearth to be installed, one end, located outside the hearth, of the burner body is provided with a feeding pipe, one end, located inside the hearth, of the burner body is provided with a main primary air nozzle, the outer side of the main primary air nozzle is provided with a main air bellows, the bottom of the burner body is provided with an air guide pipe, the periphery of one end, connected with the burner body, of the bottom of the air guide pipe is uniformly provided with a plurality of limiting holes along the length direction, the outer side of the other end of the air guide pipe is uniformly fixed with a plurality of limiting columns along the periphery, the air guide pipe is provided with limiting sleeves inside the limiting columns, an adjusting pipe is sleeved on the air guide pipe, a sealing sleeve is installed at the joint of the outer side, the adjusting device is characterized in that a plurality of limiting bolts are uniformly arranged on the outer side of the lantern ring along the circumferential direction, a plurality of mounting holes are uniformly formed in the bottom of one side, opposite to the air guide pipe, of the adjusting pipe along the circumferential direction, a ventilation air pipeline is arranged on the side portion of one end, opposite to the air guide pipe, of the adjusting pipe, a ventilation air nozzle is arranged at the other end of the ventilation air pipeline, and a ventilation air bellows is arranged on the outer side of the ventilation air nozzle.
Preferably, the main air bellow and the ventilation air bellow are both arranged on the outer side of the hearth.
Preferably, the ventilation air methane pipeline is provided with a compensator and a sealing expansion joint.
Preferably, the position of the limiting hole is staggered with the position of the limiting column, and the size of the limiting hole is matched with that of the limiting bolt.
Preferably, the height of the limiting column is matched with the depth of the mounting hole, and the size of the limiting column is matched with that of the mounting hole.
Preferably, the height of the adjusting pipe is larger than that of the mounting hole, and a fixing sleeve is mounted at the joint of the ventilation air pipe and the adjusting pipe.
Preferably, the burner bodies are installed in layered opposition inside the furnace.
Preferably, the limiting column and the air guide pipe are integrated.
The utility model provides a pair of cyclone burner and cyclone burner ventilation air methane spraying system, beneficial effect lies in:
1. through the installation in proper order of guide duct, control tube and ventilation air methane pipeline for the position of ventilation air methane spout and main primary air spout can pull open, and the boiler low-load of being convenient for surely fires, improves combustion efficiency.
2. Through spacing hole on the guide duct and spacing post and spacing bolt on the regulating tube and mutual joint between the mounting hole, can accomplish ventilation air methane guide operation, simultaneously, can adjust the position relation between ventilation air methane spout and the main spout of once, the equipment fixing personnel of being convenient for adjust ventilation air methane pipeline position according to actual conditions, improve the flexibility and the practicality of device.
Drawings
Fig. 1 is a schematic front view of a cyclone burner and a cyclone burner ventilation air injection system according to the present invention;
fig. 2 is a schematic structural view of an adjusting pipe of a cyclone burner and a cyclone burner ventilation air inlet system provided by the utility model;
fig. 3 is a schematic structural view of an air duct of a cyclone burner and a cyclone burner ventilation air injection system provided by the present invention;
FIG. 4 is a schematic bottom view of the adjusting tube of the cyclone burner and the ventilation air blowing system of the cyclone burner of the present invention;
fig. 5 is a schematic view of a cyclone burner ventilation air blast injection system according to the present invention.
In the figure: the device comprises a feeding pipe 1, a combustor body 2, an air guide pipe 3, an adjusting pipe 4, a main air bellow 5, a main primary air nozzle 6, a ventilation air pipeline 7, a ventilation air bellow 8, a ventilation air nozzle 9, a limiting hole 10, a lantern ring 11, a limiting bolt 12, a fixing sleeve 13, a limiting column 14, a limiting sleeve 15, a mounting hole 16, a sealing sleeve 17, a hearth 18, a compensator 19 and a sealing expansion joint 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a cyclone burner and a cyclone burner ventilation air injection system, comprising a burner body 2 and a hearth 18, wherein the burner body 2 is installed through the hearth 18, the burner body 2 is installed in the hearth 18 in a layered manner, so as to improve the combustion efficiency, a feed pipe 1 is installed at one end of the burner body 2, which is positioned outside the hearth 18, a main primary air nozzle 6 is installed at one end of the burner body 2, which is positioned inside the hearth 18, a main air bellow 5 is installed outside the main primary air nozzle 6, an air guide pipe 3 is installed at the bottom of the burner body 2, a plurality of limiting holes 10 are uniformly opened along the length direction around one end of the air guide pipe 3, which is connected with the burner body 2, a plurality of limiting columns 14 are uniformly fixed along the circumference outside the other end of the air guide pipe 3, and an integral mechanism is arranged between the limiting columns 14 and the air guide pipe, the position of the limiting hole 10 is staggered with the position of the limiting column 14, the size of the limiting hole 10 is matched with that of the limiting bolt 12, sealing between the air guide pipe 3 and the adjusting pipe 4 is facilitated, the stability of the device can be improved, a limiting sleeve 15 is fixed inside the limiting column 14 on the air guide pipe 3, ventilation air can be prevented from flowing backwards, and a connecting gap between the air guide pipe 3 and the adjusting pipe 4 is prevented from overflowing.
The adjusting pipe 4 is sleeved on the air guide pipe 3, a sealing sleeve 17 is installed at the joint of the outer side of the adjusting pipe 4 and the air guide pipe 3, a lantern ring 11 is installed at the outer side of the other end of the sealing sleeve 17, a plurality of limiting bolts 12 are evenly installed at the outer side of the lantern ring 11 along the circumferential direction, a plurality of mounting holes 16 are evenly formed at the bottom of one side of the adjusting pipe 4 opposite to the air guide pipe 3 along the circumferential direction, the height of a limiting column 14 is matched with the depth of the mounting holes 16, the size of the limiting column 14 is matched with that of the mounting holes 16, the adjusting pipe 4 is convenient to install, the height of the adjusting pipe 4 is larger than that of the mounting holes 16, a fixing sleeve 13 is installed at the joint of the ventilation air pipe 7 and the adjusting pipe 4, the installation stability of the ventilation pipe 7 is improved, the normal work of the adjusting pipe 4 cannot be influenced, a ventilation pipe 7 is, the ventilation air bellow 8 is installed on the outer side of the ventilation air nozzle 9, the main air bellow 5 and the ventilation air bellow 8 are both arranged on the outer side of the hearth 18 and can maintain the normal work of the cyclone burner, and the compensator 19 and the sealing expansion joint 20 are arranged on the ventilation air pipeline 7 and can reduce the thermal stress deformation of the ventilation air pipeline 7 and prolong the service life of the ventilation air pipeline.
The utility model discloses a, through guide duct 3, the installation in proper order of regulating tube 4 and ventilation air methane pipeline 7, make ventilation air methane spout 9 and main primary air spout 6's position pull open, the boiler low-load of being convenient for surely fires, the combustion efficiency is improved, through spacing hole 10 on the guide duct 3 and spacing post 14 and the regulating tube 4 on spacing bolt 12 and the mutual joint between the mounting hole 16, ventilation air methane guide operation can be accomplished, and simultaneously, can adjust the position relation between ventilation air methane spout 9 and main primary air spout 6, the equipment fixing personnel of being convenient for adjust ventilation air methane pipeline 7 positions according to actual conditions, the flexibility and the practicality of improving device.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A cyclone burner and a cyclone burner ventilation air methane spraying system comprise a burner body (2) and a hearth (18), wherein the burner body (2) penetrates through the hearth (18) to be installed, one end, located outside the hearth (18), of the burner body (2) is provided with a feeding pipe (1), one end, located inside the hearth (18), of the burner body (2) is provided with a main primary air nozzle (6), the outer side of the main primary air nozzle (6) is provided with a main air bellow (5), the cyclone burner is characterized in that a guide pipe (3) is installed at the bottom of the burner body (2), the periphery of one end, connected with the burner body (2), of the bottom of the guide pipe (3) is uniformly provided with a plurality of limiting holes (10) along the length direction, the outer side of the other end of the guide pipe (3) is uniformly fixed with a plurality of limiting columns (14) along the periphery, the wind guide pipe is characterized in that a limiting sleeve (15) is fixed inside the limiting column (14) on the wind guide pipe (3), an adjusting pipe (4) is sleeved on the wind guide pipe (3), a sealing sleeve (17) is installed at the joint of the outer side of the adjusting pipe (4) and the wind guide pipe (3), a sleeve ring (11) is installed on the outer side of the other end of the sealing sleeve (17), a plurality of limiting bolts (12) are evenly installed on the outer side of the sleeve ring (11) along the circumferential direction, a plurality of mounting holes (16) are evenly formed in the bottom of one side, opposite to the wind guide pipe (3), of the adjusting pipe (4), a ventilation pipe (7) is installed on the lateral portion of one end, opposite to the wind guide pipe (3), a ventilation nozzle (9) is installed on the other end of the ventilation pipe (7), and a ventilation air box (8) is installed on the outer.
2. A cyclone burner and cyclone burner ventilation air injection system according to claim 1, characterized in that the main air bellow (5) and the ventilation air bellow (8) are both arranged outside the furnace chamber (18).
3. A cyclone burner and a cyclone burner ventilation air injection system according to claim 1, characterized in that the ventilation air duct (7) is provided with a compensator (19) and a sealing expansion joint (20).
4. A cyclone burner and a cyclone burner ventilation air injection system according to claim 1, characterized in that the position of the limit hole (10) is staggered with the position of the limit post (14), and the size of the limit hole (10) matches with the size of the limit bolt (12).
5. A cyclone burner and cyclone burner ventilation air injection system according to claim 1, characterized in that the height of the limit post (14) matches the depth of the mounting hole (16) and the size of the limit post (14) matches the size of the mounting hole (16).
6. A cyclone burner and a cyclone burner ventilation air injection system according to claim 1, characterized in that the height of the adjusting pipe (4) is larger than the height of the mounting hole (16), and a fixing sleeve (13) is installed at the joint of the ventilation air pipe (7) and the adjusting pipe (4).
7. A cyclone burner and cyclone burner ventilation air injection system according to claim 1, characterized in that the burner body (2) is installed in layered opposition inside the furnace (18).
8. A cyclone burner and a cyclone burner ventilation air injection system according to claim 1, characterized in that an integrated mechanism is arranged between the limiting column (14) and the air duct (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990842.4U CN210624512U (en) | 2019-06-27 | 2019-06-27 | Cyclone burner and cyclone burner ventilation air methane spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990842.4U CN210624512U (en) | 2019-06-27 | 2019-06-27 | Cyclone burner and cyclone burner ventilation air methane spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210624512U true CN210624512U (en) | 2020-05-26 |
Family
ID=70762143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920990842.4U Expired - Fee Related CN210624512U (en) | 2019-06-27 | 2019-06-27 | Cyclone burner and cyclone burner ventilation air methane spraying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210624512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413630A (en) * | 2020-11-06 | 2021-02-26 | 西安力元炉窑自动化设备有限公司 | Biomass burner nozzle layout for kiln |
-
2019
- 2019-06-27 CN CN201920990842.4U patent/CN210624512U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413630A (en) * | 2020-11-06 | 2021-02-26 | 西安力元炉窑自动化设备有限公司 | Biomass burner nozzle layout for kiln |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |