CN109611832A - A kind of double vortex rotary kiln burners of multichannel - Google Patents
A kind of double vortex rotary kiln burners of multichannel Download PDFInfo
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- CN109611832A CN109611832A CN201910045720.2A CN201910045720A CN109611832A CN 109611832 A CN109611832 A CN 109611832A CN 201910045720 A CN201910045720 A CN 201910045720A CN 109611832 A CN109611832 A CN 109611832A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
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Abstract
The present invention relates to a kind of double vortex rotary kiln burners of multichannel, it is successively nested axis stream wind outer tube, axis stream wind inner tube, contour stealth wind inner tube, coal wind inner tube, inward eddy wind inner tube, atomizer conduit from outside to inside, each pipeline one end collection is combined into burner tip；The atomizer being fixedly connected, atomizer joint and oil pipe are successively arranged in nozzle end, atomizer conduit, oil pipe accesses the fueller outside burner；Axis stream wind outer tube, axis stream wind inner tube, contour stealth wind inner tube, the inward eddy wind inner tube other end connect combustion air total pipeline by pipeline, and the coal wind inner tube other end connects coal wind power apparatus, and the atomizer conduit other end connects fueller；In the one end for deviating from burner tip, connection is sealed against each other between each adjacent channel.Each channel airflow flow velocity and flame profile can be adjusted flexibly in the present invention, can also carry out with air when coal wind is poor quality the problem of being sufficiently mixed burning, optimizing coal wind combustion rate, save coal consumption, reduce environmental pollution.
Description
Technical field
The present invention relates to kiln burner arts, more particularly to a kind of double vortex rotary kiln burners of multichannel.
Background technique
Lime rotary kiln production line can obtain active lime by high-temperature calcination lime stone, need in high-temperature calcination
Fuel is sufficiently mixed to be ejected into rotary kiln with certain speed with oxygen air and is burnt, prior art is only with simple one-pipe
Or coal wind is mixed with air and is injected into rotary kiln burning by four-way, coal consumption is high, and efficiency of combustion is low, generates a large amount of nitrogen
Oxide exhaust gas, active lime yield are also low.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of double vortex rotary kiln burnings of multichannel
Device, to solve in the prior art, coal wind incomplete combustion is big with cold blast rate, and coal consumption is high, and NO_x formation is high, flame profile
Undesirable problem.
The technical scheme to solve the above technical problems is that being successively nested outside axis stream wind from outside to inside
Pipe, axis stream wind inner tube, contour stealth wind inner tube, coal wind inner tube, inward eddy wind inner tube, atomizer conduit, the axis stream wind outer tube, axis
Stream wind inner tube, contour stealth wind inner tube, coal wind inner tube, inward eddy wind inner tube, atomizer tube at one end collection are combined into burner tip,
The axis stream wind outer tube, axis stream wind inner tube, contour stealth wind inner tube, the inward eddy wind inner tube other end are total by pipeline connection combustion air
Pipeline, the coal wind inner tube other end connect coal wind power apparatus, and the atomizer conduit other end connects fueller；It is carrying on the back
One end from burner tip, the axis stream wind outer tube and the axis stream wind inner tube are tightly connected, the axis stream wind inner tube and institute
State the sealed connection of contour stealth wind inner tube, the contour stealth wind inner tube and the coal wind inner tube are tightly connected, the coal wind inner tube with
The inward eddy wind inner tube is tightly connected, and the inward eddy wind inner tube and the atomizer conduit are tightly connected；It is sprayed in burner
First end is successively arranged the atomizer being fixedly connected, atomizer joint and oil pipe, the oil pipe access in the atomizer conduit
Fueller outside burner.
Torch oil gun channel is formed in the atomizer conduit, the atomizer conduit is formed with the inward eddy wind inner tube
Center wind duct, the inward eddy wind inner tube and the coal wind inner tube form inner eddy flow wind duct, the coal wind inner tube with it is described
Contour stealth wind inner tube forms coal wind duct, and the contour stealth wind inner tube and the axis stream wind inner tube form contour stealth wind channel, institute
It states axis stream wind inner tube and the axis stream wind outer tube forms axis stream wind channel.
Combustion air overall channel is entered the wind in advance, and after lighting a fire in torch oil gun channel, flame sprays burner tip, and coal wind is logical
Road blows out coal wind (main component is coal dust), the wind and internal layer coal that the inward eddy wind of inner eddy flow wind duct blows out center wind duct
Wind is prewhirled and is burnt after being sufficiently mixed, the axis stream wind that the contour stealth wind of outward turning circulation road blows out axis stream wind channel with
Outer layer coal wind burns after being sufficiently mixed, and the thermal energy for generation of burning is that lime rotary kiln calcination process is energized.The present invention
So that internal layer coal dust is better mixed with combustion air, can also sufficiently be fired when coal dust is poor quality or coal dust humidity is bigger than normal
It burns.
Based on the above technical solution, the present invention can also be improved as follows.
Preferably, the axis stream wind outer tube is coaxially arranged with axis stream wind outer cylinder, the axis in described burner tip one end
Stream wind outer cylinder is socketed in the axis stream wind outer tube outer wall；The axis stream wind outer tube is equipped with axis in described burner tip one end opposite to each other
Wind compensator is flowed, the axis stream wind compensator includes fixed part and movable part, and the axis stream wind outer tube and the axis stream wind compensate
The connection of device movable end, the axis stream wind inner tube are connect with the axis stream wind compensator fixed part；The axis stream wind outer tube is closely described
It is equipped with lateral at axis stream wind compensator movable part and accesses combustion air total pipeline, is equipped with axis stream wind in the lateral and adjusts
Valve；Axis stream wind pressure table is also equipped at the nearly lateral on the axis stream wind outer tube.In axis stream wind pressure table to axis stream
In wind channel under the real time monitoring of wind speed, axis stream wind regulating valve can change on a large scale axis by changing axis stream wind channel cross-sectional area
The air quantity and wind speed for flowing wind channel can be indirectly small by the movable part shifting axle stream wind outer tube position of telescopic shaft stream wind compensator
Range changes the size of ducting outlet sectional area, meets small range adjustment axis stream wind wind speed and adjusts the needs of flame profile.
Preferably, the axis stream wind inner tube described burner tip one end be coaxially arranged with axis stream wind inner cylinder screwed pipe with
Spray head in axis stream wind, the axis stream wind inner tube, the axis stream wind inner cylinder screwed pipe, successively screw thread connects spray head in the axis stream wind
It connects；The axis stream wind inner tube is equipped with contour stealth wind compensator, the contour stealth wind compensation in described burner tip one end opposite to each other
Device includes fixed part and movable part, and the axis stream wind inner tube is connect with the contour stealth wind compensator movable part, the contour stealth
Wind inner tube is connect with the contour stealth wind compensator fixed part, the closely described contour stealth wind compensator movable part of the axis stream wind inner tube
Place is equipped with lateral and accesses combustion air total pipeline, is equipped with contour stealth wind regulating valve in the lateral；In the axis stream wind
Contour stealth wind pressure table is also equipped at the nearly lateral on pipe.The wind in the external Whirl deposite tank channel of outer Whirl deposite tank pressure gauge
Under the real time monitoring of speed, contour stealth wind regulating valve can change on a large scale the wind in contour stealth wind channel by changing duct cross-section product
Amount and wind speed small range can change wind indirectly by the movable part shifting axle stream wind inner tube position for the contour stealth wind compensator that stretches
The size of road discharge area meets small range and adjusts contour stealth wind wind speed and adjust the needs of flame profile.
Preferably, contour stealth wind inner tube is coaxially arranged with contour stealth wind screwed pipe and outward turning in described burner tip one end
Wind cyclone is flowed, successively screw thread connects for the contour stealth wind inner tube, the contour stealth wind screwed pipe, the contour stealth wind cyclone
It connects；The contour stealth wind inner tube is fixedly connected with the coal wind inner tube by flange in described burner tip one end opposite to each other, institute
The closely described flange of contour stealth wind inner tube is stated equipped with coal wind inlet duct, the coal wind inlet duct connects coal wind power apparatus.
By coal wind duct be conveyed through come coal wind spray burner tip, the coal wind of ejection burns after mixing with air.
Preferably, the coal wind inner tube is coaxially arranged with spray head screwed pipe and coal in coal wind in described burner tip one end
Spray head in wind, spray head screwed pipe in the coal wind inner tube, the coal wind, spray head is successively threadedly coupled in the coal wind；The coal
Wind inner tube is equipped with inward eddy wind discharge area regulating device, the inward eddy wind exit face in described burner tip one end opposite to each other
Product regulating device includes fixed part and movable part, the coal wind inner tube and the inward eddy wind discharge area regulating device movable part
Connection, the inward eddy wind inner tube are connect with the inward eddy wind discharge area regulating device fixed part；The coal wind inner tube is close
It is equipped with lateral at inward eddy wind discharge area regulating device movable part and accesses combustion air total pipeline, edge in the lateral
Wind direction is successively arranged inward eddy wind regulating valve and inward eddy wind compensator；Also pacify at the nearly lateral in the coal wind inner tube
Equipped with inward eddy wind pressure table.In interior Whirl deposite tank pressure gauge under the real time monitoring of wind speed in inner eddy flow wind duct, inward eddy wind
Regulating valve can change on a large scale the air quantity and wind speed of inner eddy flow wind duct by changing duct cross-section product, pass through the inward eddy that stretches
The movable part mobile coal wind inner tube position of wind discharge area regulating device small range can change the big of ducting outlet sectional area indirectly
It is small, meet small range and adjusts inward eddy wind wind speed and adjust the needs of flame profile.
Preferably, the inward eddy wind inner tube described burner tip one end be coaxially arranged with inward eddy screwed pipe with it is interior
Whirl deposite tank cyclone, successively screw thread connects for the inward eddy wind inner tube, the inward eddy screwed pipe, the inward eddy wind cyclone
It connects；The inward eddy wind inner tube is fixedly connected by flange with the atomizer conduit in described burner tip one end opposite to each other,
The closely described flange of coal wind inner tube is equipped with lateral and accesses combustion air total pipeline, is equipped with centre wind in the lateral
Regulating valve；Centre wind pressure gauge is also equipped at the nearly lateral in the inward eddy wind inner tube.In centre wind pressure gauge
To under the real time monitoring of wind speed in center wind duct, centre wind regulating valve can be logical to change centre wind by changing duct cross-section product
The air quantity and wind speed in road.
Preferably, the atomizer conduit is vertically installed with centre wind end casing in described burner tip one end, described
Centre wind end casing is fixedly connected with the atomizer conduit, the centre wind end casing be vertically equipped with it is several circumferentially arrange it is logical
Hole；The atomizer conduit is opposite to each other in the fueller outside described burner tip one end access burner.During centre wind passes through
Several through-holes of heart wind end casing blow out center wind duct, and several through-holes circumferentially arrange, and make centre wind more evenly.
Preferably, the combustion air overall channel is equipped with crosswind pipe compensator, and crosswind pipe compensator can pacify with respect to flexible modulation
Holding position mainly plays buffering, can satisfy the needs that pipeline is mobile under partial picture.
Preferably, be coaxially provided with flame cover outside the burner tip, it is described hold together flame cover one end be socketed the burner spray
Head outer wall, the other end stretch out the burner tip and are vacantly arranged.The setting for holding together flame cover can be such that flame more concentrates, in rotary kiln
Interior when calcining to lime stone, the flame calcination efficiency of Relatively centralized is higher, and heat utilization rate is also higher.
Preferably, heat-resisting castable is wrapped up outside the burner tip, the heat-resisting castable shape and rotary kiln cooperate.
Heat-resisting castable can reduce damage of the high temperature to burner body in rotary kiln.
Preferably, axis stream wind outer cylinder, spray head in axis stream wind, contour stealth wind cyclone, spray head, inward eddy wind eddy flow in coal wind
Shape cooperates between device, forms axis stream wind channel, outward turning circulation road, inward turning circulation road at nearly burner tip interior big outer
Small cone-shaped cavity structure；Pass through stretching or compressional axis stream wind compensator movable end, contour stealth wind compensator movable end, inward eddy
Wind discharge area regulating device movable end can correspond to shifting axle stream wind outer cylinder, spray head in axis stream wind, contour stealth wind cyclone
Relative position, and then each air outlet sectional area of burner tip and air outlet angle are adjusted, reach small range indirectly and adjusts corresponding wind
The purpose of road wind speed air quantity and flame profile.
Using a kind of double vortex rotary kiln burners of multichannel of the present invention, can individually adjustment axis stream wind channel,
The duct cross-section product and air outlet angle in contour stealth wind channel, inner eddy flow wind duct and center air duct, to change the ejection of wind
Speed and flame profile are achieved the purpose that adjust flame profile and power with Wind Volume originally with few cold First air；
Corresponding each combustion air channel is mounted on pressure gauge, convenient to know each combustion air channel airflow in burner outlet indirectly at the scene
The air pressure and speed at place, to preferably adjust the flame situation of burner；The setting of centre wind and inward eddy wind can solve existing
There are coal wind in technology (especially internal layer coal wind) incomplete combustion, the high problem of NO_x formation；Simultaneously because skill of the present invention
Each channel airflow flow velocity can be adjusted flexibly in art scheme, can also carry out being sufficiently mixed abundant combustion with air when coal dust is poor quality
The problem of burning, optimizing coal combustion rate saves coal consumption, reduces environmental pollution.
Detailed description of the invention
Fig. 1 is the whole composition figure of the present invention；
Fig. 2 is burner tip right sectional view of the present invention；
Fig. 3 is burner tip main view of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, axis stream wind pressure table, 2, axis stream wind compensator, 3, contour stealth wind pressure table, 4, contour stealth wind compensator, 5, coal
Wind inlet duct, 6, inward eddy wind pressure table, 7, inward eddy wind discharge area regulating device, 8, centre wind pressure gauge, 9, inward turning
Flow wind regulating valve, 10, centre wind regulating valve, 11, combustion air total pipeline, 12, inward eddy wind compensator, 13, the adjusting of contour stealth wind
Valve, 14, crosswind pipe compensator, 15, axis stream wind regulating valve, 16, burner tip, 161, atomizer joint, 162, atomizer,
163, centre wind end casing, 164, inward eddy wind cyclone, 165, spray head in coal wind, 166, contour stealth wind cyclone, 167, axis
Flow spray head in wind, 168, hold together flame cover, 169, axis stream wind outer cylinder, 1610, inward eddy screwed pipe, 1611, spray head screwed pipe in coal wind,
1612, contour stealth wind screwed pipe, 1613, axis stream wind inner cylinder screwed pipe, 1614, axis stream wind outer tube, 1615, axis stream wind inner tube,
1616, contour stealth wind inner tube, 1617, coal wind inner tube, 1618, inward eddy wind inner tube, 1619, atomizer conduit, 1620, oil pipe,
17, heat-resisting castable；
A axis stream wind channel, B contour stealth wind channel, C coal wind duct, D inner eddy flow wind duct, E center wind duct, F point kerosene
Rifle channel.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figures 1 to 3, it is successively nested axis stream wind outer tube 1614, axis stream wind inner tube 1615, outward turning from outside to inside
Stream wind inner tube 1616, coal wind inner tube 1617, inward eddy wind inner tube 1618, atomizer conduit 1619, the axis stream wind outer tube 1614,
Axis stream wind inner tube 1615, contour stealth wind inner tube 1616, coal wind inner tube 1617, inward eddy wind inner tube 1618, atomizer conduit 1619
One end collection is combined into burner tip 16, the axis stream wind outer tube 1614, axis stream wind inner tube 1615, contour stealth wind inner tube 1616,
1618 other end of inward eddy wind inner tube connects combustion air total pipeline 11 by pipeline, and 1617 other end of coal wind inner tube connects coal
Wind power apparatus, 1619 other end of atomizer conduit connect fueller；In one end far from burner tip, the axis
It flows wind outer tube 1614 and the axis stream wind inner tube 1615 is tightly connected, the axis stream wind inner tube 1615 and the contour stealth wind inner tube
1616 are tightly connected, and the contour stealth wind inner tube 1616 is tightly connected with the coal wind inner tube 1617, the coal wind inner tube 1617
It is tightly connected with the inward eddy wind inner tube 1618, the inward eddy wind inner tube 1618 connects with the atomizer conduit 1619 sealing
It connects；Atomizer 162, the atomizer being fixedly connected are successively arranged in 16 one end of burner tip, the atomizer conduit 1619
Connector 161 and oil pipe 1620, the oil pipe 1620 access the fueller outside burner.
Torch oil gun channel F, the atomizer conduit 1619 and the inward eddy are formed in the atomizer conduit 1619
Wind inner tube 1618 forms center wind duct E, and the inward eddy wind inner tube 1618 forms inward eddy wind with the coal wind inner tube 1617
Channel D, the coal wind inner tube 1617 form coal wind duct C, the contour stealth wind inner tube with the contour stealth wind inner tube 1616
1616 form contour stealth wind channel B, the axis stream wind inner tube 1615 and the axis stream wind outer tube with the axis stream wind inner tube 1615
1614 form axis stream wind channel A.
Combustion air overall channel 11 is entered the wind in advance, and after lighting a fire in the F of torch oil gun channel, flame sprays burner tip 16,
Coal wind duct C blows out coal wind (main component is coal dust), what the inward eddy wind of inner eddy flow wind duct D blew out center wind duct E
Wind and internal layer coal wind are prewhirled and are burnt after being sufficiently mixed, and the contour stealth wind of outward turning circulation road B blows axis stream wind channel A
Axis stream wind out burns after being sufficiently mixed with outer layer coal wind, and the thermal energy for generation of burning is the progress of lime rotary kiln calcination process
Energy supply.The present invention enables internal layer coal dust to be better mixed with combustion air, even if coal dust is poor quality or coal dust humidity is bigger than normal
When can also full combustion.
In the present embodiment, the axis stream wind outer tube 1614 is coaxially arranged with outside axis stream wind in described 16 one end of burner tip
Cylinder 169, the axis stream wind outer cylinder 169 is socketed in 1614 outer wall of axis stream wind outer tube；The axis stream wind outer tube 1614 opposite to each other in
Described 16 one end of burner tip is equipped with axis stream wind compensator 2, and the axis stream wind compensator 2 includes fixed part and movable part, institute
It states axis stream wind outer tube 1614 to connect with 2 movable end of axis stream wind compensator, the axis stream wind inner tube 1615 and the axis stream wind
The connection of 2 fixed part of compensator；It is connect at nearly 2 movable part of axis stream wind compensator of the axis stream wind outer tube 1614 equipped with lateral
Enter combustion air total pipeline 11, is equipped with axis stream wind regulating valve 15 in the lateral；It is close described on the axis stream wind outer tube 1614
Axis stream wind pressure table 1 is also equipped at lateral.In axis stream wind pressure table to the real time monitoring of wind speed in axis stream wind channel A
Under, axis stream wind regulating valve 15 can change on a large scale the air quantity and wind of axis stream wind channel A by changing axis stream wind channel A sectional area
Speed can be gone out in small range change air duct indirectly by 1614 position of movable part shifting axle stream wind outer tube of telescopic shaft stream wind compensator 2
The size of mouth sectional area meets small range adjustment axis stream wind wind speed and adjusts the needs of flame profile.
In the present embodiment, the axis stream wind inner tube 1615 is coaxially arranged in axis stream wind in described 16 one end of burner tip
Spray head 167 in cylinder screwed pipe 1613 and axis stream wind, the axis stream wind inner tube 1615, the axis stream wind inner cylinder screwed pipe 1613, institute
Spray head 167 in axis stream wind is stated successively to be threadedly coupled；The axis stream wind inner tube 1615 is set in described 16 one end of burner tip opposite to each other
Have a contour stealth wind compensator 4, the contour stealth wind compensator 4 includes fixed part and movable part, the axis stream wind inner tube 1615 with
4 movable part of the contour stealth wind compensator connection, the contour stealth wind inner tube 1616 and 4 fixed part of contour stealth wind compensator
It connects, it is total that lateral access combustion air is equipped at nearly 4 movable part of contour stealth wind compensator of the axis stream wind inner tube 1615
Pipeline 11 is equipped with contour stealth wind regulating valve 13 in the lateral；The nearly lateral in the axis stream wind inner tube 1615
Place is also equipped with contour stealth wind pressure table 3.In the external Whirl deposite tank channel B of outer Whirl deposite tank pressure gauge 3 under the real time monitoring of wind speed,
Contour stealth wind regulating valve 13 can change on a large scale the air quantity and wind speed of contour stealth wind channel B by changing duct cross-section product, lead to
1615 position of movable part shifting axle stream wind inner tube of flexible contour stealth wind compensator 4 is crossed, small range can change ducting outlet indirectly
The size of sectional area meets small range and adjusts contour stealth wind wind speed and adjust the needs of flame profile.
In the present embodiment, contour stealth wind inner tube 1616 is coaxially arranged with contour stealth conch in described 16 one end of burner tip
Line pipe 1612 and contour stealth wind cyclone (166), the contour stealth wind inner tube 1616, the contour stealth wind screwed pipe 1612, institute
Contour stealth wind cyclone 166 is stated successively to be threadedly coupled；The contour stealth wind inner tube 1616 is opposite to each other in the burner tip 16 1
End is fixedly connected with the coal wind inner tube 1617 by flange, and the nearly flange of the contour stealth wind inner tube 1616 is equipped with coal wind
Inlet duct 5, the coal wind inlet duct 5 connect coal wind power apparatus.By coal wind duct C be conveyed through come coal wind spray combustion
Burner spray head 16, the coal wind of ejection burn after mixing with air.
In the present embodiment, the coal wind inner tube 1617 is coaxially arranged with spray head in coal wind in described 16 one end of burner tip
Spray head 165 in screwed pipe 11 and coal wind, spray head screwed pipe 11 in the coal wind inner tube 1617, the coal wind, spray in the coal wind
First 165 are successively threadedly coupled；The coal wind inner tube 1617 is exported in described 16 one end of burner tip equipped with inward eddy wind opposite to each other
Area regulating device 7, the inward eddy wind discharge area regulating device 7 include fixed part and movable part, the coal wind inner tube
1617 connect with 7 movable part of inward eddy wind discharge area regulating device, the inward eddy wind inner tube 1618 and the inward turning
Flow the connection of 7 fixed part of wind discharge area regulating device；The nearly inward eddy wind discharge area regulating device 7 of the coal wind inner tube 1617 is living
It is equipped with lateral at dynamic portion and accesses combustion air total pipeline 11, is successively arranged inward eddy wind along wind direction in the lateral and adjusts
Valve 9 and inward eddy wind compensator 12；Inward eddy wind pressure is also equipped at the nearly lateral in the coal wind inner tube 1617
Table 6.In interior Whirl deposite tank pressure gauge 6 under the real time monitoring of wind speed in inner eddy flow wind duct D, inward eddy wind regulating valve 9 can pass through
Change air quantity and wind speed that duct cross-section product carrys out on a large scale to change inner eddy flow wind duct D, passes through the inward eddy wind discharge area that stretches
1617 position of movable part mobile coal wind inner tube of regulating device 7 small range can change the size of ducting outlet sectional area indirectly, full
Sufficient small range adjusts inward eddy wind wind speed and adjusts the needs of flame profile.
In the present embodiment, the inward eddy wind inner tube 1618 is coaxially arranged with inward eddy in described 16 one end of burner tip
Screwed pipe 1610 and inward eddy wind cyclone 164, it is the inward eddy wind inner tube 1618, the inward eddy screwed pipe 1610, described
Inward eddy wind cyclone 164 is successively threadedly coupled；The inward eddy wind inner tube 1618 is opposite to each other in described 16 one end of burner tip
It is fixedly connected by flange with the atomizer conduit 1619, the nearly flange of the coal wind inner tube 1617 is equipped with lateral
Combustion air total pipeline 11 is accessed, is equipped with centre wind regulating valve 10 in the lateral；It is close in the inward eddy wind inner tube 1618
Centre wind pressure gauge 8 is also equipped at the lateral.Centre wind pressure gauge 8 in center wind duct E wind speed it is real-time
Under monitoring, centre wind regulating valve 10 can change the air quantity and wind speed of center wind duct E by changing duct cross-section product.
In the present embodiment, the atomizer conduit 1619 is vertically installed with centre wind end in described 16 one end of burner tip
Cover board 163, the centre wind end casing 163 are fixedly connected with the atomizer conduit 1619, and the centre wind end casing 163 is vertical
Equipped with several through-holes circumferentially arranged；The atomizer conduit 1619 is accessed in described 16 one end of burner tip opposite to each other to burn
Fueller outside device.Centre wind blows out center wind duct E by several through-holes of centre wind end casing 163, and several through-holes are in
Circumferential arrangement makes centre wind outlet air more evenly.
In the present embodiment, the combustion air overall channel 11 is equipped with crosswind pipe compensator 14, and crosswind pipe compensator 14 can be opposite
Flexible modulation installation site mainly plays buffering, can satisfy the needs that pipeline small range is mobile under partial picture.
In the present embodiment, be coaxially provided with flame cover 168 outside the burner tip 16, it is described hold together the socket of 168 one end of flame cover
16 outer wall of burner tip, the other end stretch out the burner tip 16 and are vacantly arranged.The setting for holding together flame cover can make fire
Flame is more concentrated, and when calcining in rotary kiln to lime stone, the flame calcination efficiency of Relatively centralized is higher, heat utilization rate
It is higher.
In the present embodiment, wrap up heat-resisting castable 17 outside the burner tip 16, heat-resisting 17 shape of castable with
Rotary kiln cooperation.Heat-resisting castable 17 can reduce damage of the high temperature to burner body in rotary kiln.
Each compensator involved in the present embodiment is using principle；One bellows for being similar to organ structure, wave are set
Line pipe flexibly can be stretched and be compressed in a certain range, and a flange is respectively arranged in bellows both ends, by two end flanges respectively with two
A different pipeline is fixedly connected, and can achieve the purpose that make two pipeline relative movements by expansion corrugated pipe.The compensator
Also it can be vertically arranged perforative screw rod in two end flanges of bellows, by screw rod rotation so that bellows is flexible, the present embodiment
Middle inward eddy wind discharge area regulating device 7 has used this principle with crosswind pipe compensator 14.
Spray head 167 in axis stream wind outer cylinder 169, axis stream wind, contour stealth wind cyclone 166, spray head 165, inward eddy in coal wind
Shape cooperates between wind cyclone 164, and axis stream wind channel A, contour stealth wind channel B, inner eddy flow wind duct D is made closely to burn
Interior big outer small cone-shaped cavity structure is formed at device spray head 16；Pass through stretching or 2 movable end of compressional axis stream wind compensator, contour stealth
4 movable end of wind compensator, 7 movable end of inward eddy wind discharge area regulating device, can correspond to shifting axle stream wind outer cylinder 169, axis
The relative position of spray head 167, contour stealth wind cyclone 166 in wind is flowed, and then adjusts each air outlet sectional area of burner tip 16
With air outlet angle, achieve the purpose that small range adjusts corresponding duct velocity air quantity and flame profile indirectly.
Using a kind of double vortex rotary kiln burners of multichannel of the present invention, can individually adjustment axis stream wind channel A,
The duct cross-section of contour stealth wind channel B, inner eddy flow wind duct D and center air duct E product and air outlet angle, to change the spray of wind
Speed and flame profile out are reached with few cold First air and adjusted flame profile and strong and weak mesh with Wind Volume originally
's；Corresponding each combustion air channel is mounted on pressure gauge, convenient to know each combustion air channel airflow in burner indirectly at the scene
The air pressure and speed in exit, to preferably adjust the flame situation of burner；The setting of centre wind and inward eddy wind can solve
Certainly coal wind (especially internal layer coal wind) incomplete combustion in the prior art, the high problem of NO_x formation；Simultaneously because this hair
Each channel airflow flow velocity can be adjusted flexibly in bright technical solution, can also be sufficiently mixed fill with air when coal dust is poor quality
Divided combustion, the problem of optimizing coal combustion rate, save coal consumption, reduce environmental pollution.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of double vortex rotary kiln burners of multichannel, which is characterized in that be successively nested axis stream wind from outside to inside
Outer tube (1614), axis stream wind inner tube (1615), contour stealth wind inner tube (1616), coal wind inner tube (1617), inward eddy wind inner tube
(1618), atomizer conduit (1619), the axis stream wind outer tube (1614), axis stream wind inner tube (1615), contour stealth wind inner tube
(1616), coal wind inner tube (1617), inward eddy wind inner tube (1618), atomizer conduit (1619) one end collection are combined into burner spray
Head (16), the axis stream wind outer tube (1614), axis stream wind inner tube (1615), contour stealth wind inner tube (1616), inward eddy wind inner tube
(1618) other end connects combustion air total pipeline (11) by pipeline, and coal wind inner tube (1617) other end connects coal wind-power
Device, atomizer conduit (1619) other end connect fueller；In the one end for deviating from burner tip, the axis stream wind
Outer tube (1614) and the axis stream wind inner tube (1615) are tightly connected, in the axis stream wind inner tube (1615) and the contour stealth wind
It manages (1616) to be tightly connected, the contour stealth wind inner tube (1616) and the coal wind inner tube (1617) are tightly connected, the coal wind
Inner tube (1617) and the inward eddy wind inner tube (1618) are tightly connected, the inward eddy wind inner tube (1618) and the atomizer
Conduit (1619) is tightly connected；It is successively arranged in burner tip one end, in the atomizer conduit (1619) and to be fixedly connected
Atomizer (162), atomizer joint (161) and oil pipe (1620), the oil pipe (1620) access the fueller outside burner.
2. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that outside the axis stream wind
It manages (1614) and is coaxially arranged with axis stream wind outer cylinder (169), the axis stream wind outer cylinder (169) in the burner tip (16) one end
It is socketed in axis stream wind outer tube (1614) outer wall；The axis stream wind outer tube (1614) is opposite to each other in the burner tip (16) one
End is equipped with axis stream wind compensator (2), and the axis stream wind compensator (2) includes fixed part and movable part, the axis stream wind outer tube
(1614) it is connect with axis stream wind compensator (2) movable end, the axis stream wind inner tube (1615) and the axis stream wind compensator
(2) fixed part connects；It is connect at nearly axis stream wind compensator (2) movable part of the axis stream wind outer tube (1614) equipped with lateral
Enter combustion air total pipeline (11), axis stream wind regulating valve (15) is equipped in the lateral；On the axis stream wind outer tube (1614)
Axis stream wind pressure table (1) is also equipped at the nearly lateral.
3. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that in the axis stream wind
Pipe (1615) is coaxially arranged with spray in axis stream wind inner cylinder screwed pipe (1613) and axis stream wind in the burner tip (16) one end
Head (167), the axis stream wind inner tube (1615), the axis stream wind inner cylinder screwed pipe (1613), spray head (167) in the axis stream wind
Successively it is threadedly coupled；The axis stream wind inner tube (1615) compensates in the burner tip (16) one end equipped with contour stealth wind opposite to each other
Device (4), the contour stealth wind compensator (4) include fixed part and movable part, the axis stream wind inner tube (1615) and the outward turning
The connection of wind compensator (4) movable part is flowed, the contour stealth wind inner tube (1616) and contour stealth wind compensator (4) fixed part connect
It connects, is equipped with lateral at nearly contour stealth wind compensator (4) movable part of the axis stream wind inner tube (1615) and accesses combustion air
Total pipeline (11) is equipped with contour stealth wind regulating valve (13) in the lateral；It is close described on the axis stream wind inner tube (1615)
Contour stealth wind pressure table (3) is also equipped at lateral.
4. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that contour stealth wind inner tube
(1616) contour stealth wind screwed pipe (1612) and contour stealth wind cyclone are coaxially arranged in the burner tip (16) one end
(166), the contour stealth wind inner tube (1616), the contour stealth wind screwed pipe (1612), the contour stealth wind cyclone (166)
Successively it is threadedly coupled；The contour stealth wind inner tube (1616) is opposite to each other in the burner tip (16) one end and the coal wind inner tube
(1617) it being fixedly connected by flange, the nearly flange of the contour stealth wind inner tube (1616) is equipped with coal wind inlet duct (5),
The coal wind inlet duct (5) connects coal wind power apparatus.
5. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that the coal wind inner tube
(1617) spray head screwed pipe (11) and spray head in coal wind in coal wind are coaxially arranged in the burner tip (16) one end
(165), the coal wind inner tube (1617), spray head screwed pipe (11) in the coal wind, spray head (165) successively screw thread in the coal wind
Connection；The coal wind inner tube (1617) is equipped with inward eddy wind discharge area in the burner tip (16) one end opposite to each other and adjusts dress
Set (7), the inward eddy wind discharge area regulating device (7) includes fixed part and movable part, the coal wind inner tube (1617) with
Inward eddy wind discharge area regulating device (7) the movable part connection, the inward eddy wind inner tube (1618) and the inward eddy
The connection of wind discharge area regulating device (7) fixed part；The nearly inward eddy wind discharge area regulating device of the coal wind inner tube (1617)
(7) it is equipped with lateral at movable part and accesses combustion air total pipeline (11), be successively arranged inward turning along wind direction in the lateral
Flow wind regulating valve (9) and inward eddy wind compensator (12)；It is also installed at the nearly lateral on the coal wind inner tube (1617)
There is inward eddy wind pressure table (6).
6. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that the inward eddy wind
Inner tube (1618) is coaxially arranged with inward eddy screwed pipe (1610) and inward eddy wind eddy flow in the burner tip (16) one end
Device (164), the inward eddy wind inner tube (1618), the inward eddy screwed pipe (1610), the inward eddy wind cyclone (164)
Successively it is threadedly coupled；The inward eddy wind inner tube (1618) opposite to each other in the burner tip (16) one end by flange with it is described
Atomizer conduit (1619) is fixedly connected, and the nearly flange of the coal wind inner tube (1617) is equipped with lateral and accesses combustion air
Total pipeline (11) is equipped with centre wind regulating valve (10) in the lateral；It is close described on the inward eddy wind inner tube (1618)
Centre wind pressure gauge (8) are also equipped at lateral.
7. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that the atomizer is led
Pipe (1619) is vertically installed with centre wind end casing (163) in the burner tip (16) one end, the centre wind end casing
(163) it is fixedly connected with the atomizer conduit (1619), the centre wind end casing (163) vertically circumferentially arranges equipped with several
Through-hole；The atomizer conduit (1619) is opposite to each other in the fuel feeding dress outside the burner tip (16) one end access burner
It sets.
8. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that the combustion air is total
Channel (11) is equipped with crosswind pipe compensator (14).
9. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that the burner spray
Be coaxially provided with flame cover (168) outside head (16), it is described hold together flame cover (168) one end be socketed burner tip (16) outer wall, another
One end is stretched out the burner tip (16) and is vacantly arranged.
10. the double vortex rotary kiln burners of a kind of multichannel according to claim 1, which is characterized in that the burner
Spray head (16) wraps up heat-resisting castable (17) outside, and heat-resisting castable (17) shape and rotary kiln cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045720.2A CN109611832B (en) | 2019-01-17 | 2019-01-17 | Burner for multi-channel double-vortex rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045720.2A CN109611832B (en) | 2019-01-17 | 2019-01-17 | Burner for multi-channel double-vortex rotary kiln |
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| Publication Number | Publication Date |
|---|---|
| CN109611832A true CN109611832A (en) | 2019-04-12 |
| CN109611832B CN109611832B (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910045720.2A Active CN109611832B (en) | 2019-01-17 | 2019-01-17 | Burner for multi-channel double-vortex rotary kiln |
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| Country | Link |
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| CN (1) | CN109611832B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110657449A (en) * | 2019-09-20 | 2020-01-07 | 沈忠东 | Automatic adjusting mechanism and adjusting method for internal air and external air of combustor |
| CN113375157A (en) * | 2021-06-22 | 2021-09-10 | 襄阳中和机电技术有限公司 | Intelligent rotary kiln combustor |
| WO2022180735A1 (en) * | 2021-02-25 | 2022-09-01 | 太平洋セメント株式会社 | Cement kiln burner and method for operating same |
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| CN113375157B (en) * | 2021-06-22 | 2022-03-11 | 襄阳中和机电技术有限公司 | Intelligent rotary kiln combustor |
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