CN107641521A - Combustor of asphalt rotary kiln - Google Patents
Combustor of asphalt rotary kiln Download PDFInfo
- Publication number
- CN107641521A CN107641521A CN201610573345.5A CN201610573345A CN107641521A CN 107641521 A CN107641521 A CN 107641521A CN 201610573345 A CN201610573345 A CN 201610573345A CN 107641521 A CN107641521 A CN 107641521A
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- Prior art keywords
- air pipe
- rotary kiln
- pipe
- secondary air
- kiln burner
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention provides an asphalt rotary kiln combustor which comprises a primary air pipe, a secondary air pipe, a gas pipe, a flame adjusting shaft and a guide impeller, wherein the secondary air pipe is sleeved on the outer side of the primary air pipe, the primary air pipe is sleeved on the outer side of the gas pipe, the flame adjusting shaft penetrates through the center of the gas pipe, and the guide impeller is nested on the outer side of a nozzle of the gas pipe. Compared with the prior art, the number of the guide impellers is 12, the angle is 60 degrees, tubes such as an uncommon pilot burner and an ignition gun are omitted, air is sucked into gas jet, the flame is long and straight, and the rigidity is good; the refractory material for the burner head has long service life, adopts high-aluminum castable (refractoriness 1680 ℃), is sintered along with the temperature rise and normal working temperature of the rotary kiln, is not easy to crack, and does not burn the metal air pipe.
Description
Technical field
The present invention relates to a kind of pitch rotary kiln burner, belong to asphalt production equipment technical field.
Background technology
Rotary kiln burner in pitch coke calciner plant, its main operational principle：Rotary kiln is divided into preheating zone, burning zone
Rotary kiln head center is arranged on three regions, burners such as cooling zones, is sprayed using coal gas and first and second air mixed combustion
The flame shot out, the pitch green coke that rotary kiln afterbody enters is helped heat dehydration in preheating zone, fugitive constituent spontaneous combustion is leaned in burning zone
Calcining, cool subsequently into cooling zone, finally give qualified pitch coke finished product.
The structure of existing pitch rotary kiln burner as shown in figures 1-4, including nozzle 1, burning torch conduit 2, anchoring piece
3rd, muff 4, ceramic fiber blanket 5, primary air pipe 6, flame adjustment axis 7, secondary air pipe 8, air adjustment turnover panel 9, igniting
Rifle boat-propeller gear 10, flame adjustment axis adjusting handle 11, guide vane wheel 12 and gas pipe 13, wherein, primary air pipe 6
Inner side is provided with burning torch conduit 2 and altar lamp 14, and three nozzle gas vents 15 are equably provided with nozzle；Outside secondary air pipe
Side is arranged with ceramic fiber blanket 5 and the muff 4 of corundum casting successively, and ceramic fiber blanket 5 is fixed by the anchoring piece 3 of V-type；Flame
Adjustment axis 7 is round steel；The guide vane wheel 12 of sheet is nested at the nozzle 1 of gas pipe 13, and altar lamp 14 is arranged at burning torch and led
The side of pipe 2.Secondary air pipe muscle 16 is additionally provided between secondary air pipe 8 and ceramic fiber blanket 5.
The shortcomings that above-mentioned pitch rotary kiln burner is：Because guide vane wheel quantity is few, angle is bad, and on air outlet
Portion is provided with the pipe (being usually of little use) such as altar lamp, burning torch, influences air and rolled up to be drawn in jet-flow so that flame-shaped
Shape deflects, poor rigidity；Burner head service life of refractory material is short, and outer layer selects extraordinary corundum products castable (refractoriness：>
1840 DEG C), internal layer selection is with type containing zirconium ceramic fiber blanket (can 1400 DEG C of heatproof), in actual use, due to rotary kiln
Operating temperature is between 1250~1460 DEG C, and extraordinary corundum products castable firing temperature is inadequate, not easy-sintering, can also produce quick-fried
Split, castable is burnt monoblock and dropped, subsequent scaling loss ceramic fiber blanket, anchoring piece and metal-air pipe；Flame adjustment axis is yielding, adopts
WithRound steel, centre set two positioning supporting frames, and in actual use, flexible change can occur for flame adjustment axis
Shape, nozzle are sagging so that the shape of flame is floatd upwards, poor rigidity.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide pitch rotary kiln burner.
The present invention is achieved by the following technical solutions：
A kind of pitch rotary kiln burner, it include primary air pipe, secondary air pipe, gas pipe, flame adjustment axis and
Guide vane wheel, the secondary air pipe are socketed on the outside of primary air pipe, and the primary air pipe sleeve is connected on the outside of gas pipe, institute
State flame adjustment axis and be arranged in gas pipe center, the guide vane wheel is nested on the outside of the nozzle of gas pipe.
Preferably, the flame adjustment axis is in hollow structure.
Preferably, the guide vane wheel is twist.
It is highly preferred that the blade quantity of the guide vane wheel is 12, angle is 60 °, i.e., between blade and datum axis
Angle is 60 °.
Preferably, the outside of the secondary air pipe is socketed with the muff of high aluminium material casting by anchoring piece.
Preferably, the end of the secondary air pipe is provided with secondary air pipe muscle.
Preferably, locked instrument, the main work of locked instrument are provided between the secondary air pipe and gas pipe
With end cap filler is compressed, gas leak is prevented, there is the locked instrument of the effect can be used for any one.
Preferably, the tail end of the flame adjustment axis is provided with adjusting handle.
Preferably, the side wall of the secondary air pipe is provided with air intlet, and air is provided with the air intlet
Adjusting flap.
Preferably, three nozzle gas vents are evenly distributedly provided with the nozzle.
Compared with prior art, the present invention has following beneficial effect：
1st, guide vane wheel quantity is arranged to 12, and angle is set to 60 °, eliminates the pipe such as the altar lamp being of little use, burning torch
Son, ensure that air is rolled up and be drawn in jet-flow, flame profile length is again straight, and rigidity is good；
2nd, burner head service life of refractory material is grown, using high alumina castable (1680 DEG C of refractoriness), with rotary kiln liter
Temperature and normal working temperature and sinter, be not likely to produce explosion, will not scaling loss metal-air pipe；
3rd, flame adjustment axis is unlikely to deform, and using stainless steel tube, centre sets two positioning supporting frames, because diameter is thicker and is
Hollow pipe, rigidity reinforced are unlikely to deform, and nozzle is in an intermediate position, ensure the length of flame and flame stabilization, and air exists with combustion gas
It is not pre-mixed before lighting, in combustion process, combustion gas is ejected, and air, which is rolled up to be drawn in jet-flow, to be burnt.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the pitch rotary kiln burner structural representation of prior art；
Fig. 2 is the pitch rotary kiln burner burner head sketch of resistance to material of prior art；
Fig. 3 is the adjustment axis sketch of prior art；
Fig. 4 is the guide vane wheel sketch of prior art；
Fig. 5 is the pitch rotary kiln burner structural representation of the present invention；
Fig. 6 is the pitch rotary kiln burner burner head sketch of resistance to material of the present invention；
Fig. 7 is the adjustment axis sketch of the present invention；
Fig. 8 is the guide vane wheel sketch of the present invention；
In figure：1st, nozzle；2nd, burning torch conduit；3rd, anchoring piece；4th, muff；5th, ceramic fiber blanket；6th, primary air pipe；
7th, flame adjustment axis；8th, secondary air pipe；9th, air adjustment turnover panel；10th, burning torch boat-propeller gear；11st, flame adjustment axis
Adjusting handle；12nd, guide vane wheel；13rd, gas pipe；14th, altar lamp；15th, nozzle gas vent；16th, secondary air pipe muscle；17th, lock
It is fixedly mounted with and puts；18th, support frame.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
A kind of structure of pitch rotary kiln burner provided by the invention as shown in figures 5-8, it include primary air pipe 6,
Secondary air pipe 8, gas pipe 13, flame adjustment axis 7 and guide vane wheel 12, secondary air pipe 8 are socketed on outside primary air pipe 6
Side, primary air pipe 6 are socketed on the outside of gas pipe 13, and flame adjustment axis 7 is arranged in the center of gas pipe 13, and guide vane wheel 12 is nested
At the nozzle 1 of gas pipe 13.
Flame adjustment axis 7 is in hollow structure, can use stainless steel tube, and rigidity reinforced is unlikely to deform, and ensures that nozzle 1 is placed in the middle,
Bias current will not occur for gas volume.
Twist, the blade quantity of guide vane wheel is 12 to guide vane wheel 12, and angle is 60 °, i.e. blade and reference axis
Angle between line, after guide vane wheel can be passed air through out, match somebody with somebody with coal gas mixed phase, flame profile length is again straight and placed in the middle.
The outside of secondary air pipe 8 is socketed with the muff 4 of high alumina casting by the anchoring piece 3 of V-type.Individual layer high alumina castable
The high alumina muff of formation, ensure maintenance drying time, and sintered with the heating of the rotary kiln baker of resistance to material and normal working temperature,
Resistance to material after sintering has higher mechanical strength, heat-resistant knocking stability is good, high volume stability is good.
High alumina casting material in the present invention need to meet the index in following table：
Flame adjustment axis 7 is fixed by two support frames 18.Two support frames 18 fix flame adjustment axis, it is ensured that flame is grown
Degree and flame stabilization, air are not pre-mixed before ignition with combustion gas, and in combustion process, combustion gas is ejected, and air is inhaled by volume
Burnt into jet-flow.
The end of secondary air pipe 8 is provided with secondary air pipe muscle 16, and locking is provided between secondary air pipe 8 and gas pipe 13
Device 17, the tail end of flame adjustment axis are provided with flame adjustment axis adjusting handle 11, three nozzles are evenly distributedly provided with nozzle 1
Gas vent 15.
The manufacture method of pitch rotary kiln burner of the present invention is：
S1：With stainless steel 6mm thin plates, by drawing, 12 pieces of blades are made, are then welded on gas pipe top, 12
Blade is circumferentially uniform, 60 ° of mis-cut angle；
S2：WithStainless steel tube, by drawing, flame adjustment axis is made, top and nozzle weld together；
S3：In secondary air pipe surface soldered V-type anchoring piece, by drawing, set in length direction, circumferencial direction length
Put；
S4：After first three items end-of-job, assembled.After the completion of burner is erect, having resistance to material position by drawing system
Mould, with high alumina castable (being suitably added composite anti-explosion agent) the injection wooden model being stirred, then natural curing is dried.
In summary, only presently preferred embodiments of the present invention, is not used for limiting the scope that the present invention is implemented, it is all according to
The equivalent changes and modifications carried out by shape, construction, feature and spirit described in scope of the invention as claimed, this all should be included in
In the right of invention.
Claims (10)
1. a kind of pitch rotary kiln burner, it is characterised in that adjusted including primary air pipe, secondary air pipe, gas pipe, flame
Nodal axisn and guide vane wheel, the secondary air pipe are socketed on the outside of primary air pipe, and the primary air pipe sleeve is connected to gas pipe
Outside, the flame adjustment axis are arranged in gas pipe center, and the guide vane wheel is nested on the outside of the nozzle of gas pipe.
2. pitch rotary kiln burner as claimed in claim 1, it is characterised in that the flame adjustment axis is in hollow structure.
3. pitch rotary kiln burner as claimed in claim 1, it is characterised in that the guide vane wheel is twist.
4. the pitch rotary kiln burner as described in claim 1 or 3, it is characterised in that the blade quantity of the guide vane wheel
For 12, angle is 60 °.
5. pitch rotary kiln burner as claimed in claim 1, it is characterised in that the outside of the secondary air pipe is by anchoring
Part is socketed with high alumina muff.
6. pitch rotary kiln burner as claimed in claim 1, it is characterised in that the end of the secondary air pipe is provided with two
Secondary air hose muscle.
7. pitch rotary kiln burner as claimed in claim 1, it is characterised in that between the secondary air pipe and gas pipe
Provided with locked instrument.
8. pitch rotary kiln burner as claimed in claim 1, it is characterised in that the tail end of the flame adjustment axis is provided with fire
Flame adjustment axis adjusting handle.
9. the pitch rotary kiln burner as described in claim 1 or 8, it is characterised in that the flame adjustment axis is by two branch
Support is fixed.
10. pitch rotary kiln burner as claimed in claim 1, it is characterised in that be evenly distributedly provided with the nozzle
Three nozzle gas vents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573345.5A CN107641521B (en) | 2016-07-20 | 2016-07-20 | Combustor of asphalt rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573345.5A CN107641521B (en) | 2016-07-20 | 2016-07-20 | Combustor of asphalt rotary kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107641521A true CN107641521A (en) | 2018-01-30 |
| CN107641521B CN107641521B (en) | 2020-11-10 |
Family
ID=61108512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610573345.5A Active CN107641521B (en) | 2016-07-20 | 2016-07-20 | Combustor of asphalt rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107641521B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186270A (en) * | 2018-10-08 | 2019-01-11 | 云南华鼎再生资源开发有限公司 | A kind of moveable rotary kiln head-shield |
| CN112393272A (en) * | 2019-08-13 | 2021-02-23 | 中国石油化工股份有限公司 | Changming lamp ignition gun with protection device and preparation process thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878562A (en) * | 2012-09-21 | 2013-01-16 | 徐州艾迪科技有限公司 | Flame adjustment mechanism of combustion device of rotary kiln |
| CN202852817U (en) * | 2012-09-21 | 2013-04-03 | 徐州艾迪科技有限公司 | Double air duct combustion device |
| CN205174359U (en) * | 2015-09-30 | 2016-04-20 | 西安航天源动力工程有限公司 | Be used for hot -blast furnace heating to use combustor |
-
2016
- 2016-07-20 CN CN201610573345.5A patent/CN107641521B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878562A (en) * | 2012-09-21 | 2013-01-16 | 徐州艾迪科技有限公司 | Flame adjustment mechanism of combustion device of rotary kiln |
| CN202852817U (en) * | 2012-09-21 | 2013-04-03 | 徐州艾迪科技有限公司 | Double air duct combustion device |
| CN205174359U (en) * | 2015-09-30 | 2016-04-20 | 西安航天源动力工程有限公司 | Be used for hot -blast furnace heating to use combustor |
Non-Patent Citations (2)
| Title |
|---|
| 秦裕琨主编: "《燃油燃气锅炉实用技术》", 31 March 2001, 北京：中国电力出版社 * |
| 胡荫平主编: "《电站锅炉手册》", 30 April 2005, 北京：中国电力出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186270A (en) * | 2018-10-08 | 2019-01-11 | 云南华鼎再生资源开发有限公司 | A kind of moveable rotary kiln head-shield |
| CN109186270B (en) * | 2018-10-08 | 2024-04-05 | 云南华鼎再生资源开发有限公司 | Mobilizable rotary kiln hood |
| CN112393272A (en) * | 2019-08-13 | 2021-02-23 | 中国石油化工股份有限公司 | Changming lamp ignition gun with protection device and preparation process thereof |
| CN112393272B (en) * | 2019-08-13 | 2022-05-24 | 中国石油化工股份有限公司 | Changming lamp ignition gun with protection device and preparation process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107641521B (en) | 2020-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Applicant after: Baowu Carbon Material Technology Co., Ltd. Address before: No. 3501 Tongji Road, Baoshan District, Shanghai 201900 Applicant before: Chemical Co., Ltd. of Baoshan Iron and Steel Group, Shanghai |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee after: Baowu Carbon Technology Co.,Ltd. Address before: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee before: BAOWU CARBON MATERIAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |