CN108302524A - A kind of coal burner and application method - Google Patents
A kind of coal burner and application method Download PDFInfo
- Publication number
- CN108302524A CN108302524A CN201711439102.3A CN201711439102A CN108302524A CN 108302524 A CN108302524 A CN 108302524A CN 201711439102 A CN201711439102 A CN 201711439102A CN 108302524 A CN108302524 A CN 108302524A
- Authority
- CN
- China
- Prior art keywords
- coal
- pipeline
- spraying pipeline
- combustion apparatus
- smooth combustion
- Prior art date
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The present invention relates to a kind of coal burner and application methods, belong to coal burner equipment technical field.Technical solution is：Coal spraying pipeline（2）One end be discharge, coal spraying pipeline（2）The other end be equipped with and deliver coal wind turbine（13）, coal spraying pipeline（2）Discharge be equipped with smooth combustion apparatus（6）, the smooth combustion apparatus（6）Include the wearing plate of two pieces of parallel arrangements, multiple coal powder injection holes being evenly arranged, coal spraying pipeline are equipped on every piece of wearing plate（2）It is interior to be equipped with block（4）And twisted plate（5）, oil spout pipeline（7）One end be equipped with atomizer, oil spout pipeline（7）The other end connect oil pump, coal spraying pipeline（2）The smooth combustion apparatus of discharge（6）With oil spout pipeline（7）Atomizer be adjacently positioned, constitute port.The beneficial effects of the invention are as follows：Igniting is easy quick heating, can reduce energy consumption 30% or so, improve raw coal utilization rate, reduce the discharge of Litter.
Description
Technical field
The present invention relates to a kind of coal burner and application methods, belong to coal burner equipment technical field.
Background technology
There are many type of burner, and more popular burner is triple channel and Five-channel burner, according to fuel
Difference selects the form of burner also different.Coal burner have special designing multistage speak out of turn air-supply guide frame, energy
Coal dust is set to generate high temperature eddy current in short time, burning is complete, and heat utilization efficiency is high.
Coal dust efficient combustion technology and low NOx combusting technology are contradictory two technologies each other.NOx is reduced to generate and arrange
It puts, is that the temperature for controlling combustion zone cannot be too high at all, but low-temperature burning influences coal combustion rate again, coordinates this two
The application of technology, it is purpose to make up to comprehensive optimum efficiency, actually requires to be controlled the overall process of coal dust firing.
It can ensure the stability of coal powder ignition, and have lower ignition temperature, while have combustion sufficiently long and at a certain temperature
Burn time guarantee after-flame.Currently, used coal burner combustion efficiency is not good enough, ignition difficulties, heat up slower, fuel combustion
Not exclusively, energy consumption is big, and heat utilization ratio is low.
Invention content
It it is an object of the present invention to provide a kind of coal burner, lights a fire and is easy quick heating, good energy-conserving effect solves background technology
The problem of.
The technical scheme is that：
A kind of coal burner, including coal spraying pipeline, block, twisted plate, smooth combustion apparatus, oil spout pipeline and wind turbine of delivering coal, coal powder injection
One end of pipeline is discharge, and the other end of coal spraying pipeline is equipped with wind turbine of delivering coal, and the discharge of coal spraying pipeline is equipped with steady combustion
Device, the smooth combustion apparatus include the wearing plate of two pieces of parallel arrangements, and multiple sprays being evenly arranged are equipped on every piece of wearing plate
Coal hole, coal spraying pipeline is interior to be equipped with block and twisted plate, and one end of oil spout pipeline is equipped with atomizer, and the other end of oil spout pipeline connects
Oil pump, the smooth combustion apparatus of coal spraying pipeline discharge and the atomizer of oil spout pipeline are adjacently positioned, and constitute port.
Twisted plate in the coal spraying pipeline is fixed on the inner wall of coal spraying pipeline, axial cloth of the twisted plate along coal spraying pipeline
It sets.
The inside and outside of the coal spraying pipeline is respectively equipped with primary air piping and secondary air channel, the primary air piping and secondary
Air hose is arranged with coal spraying pipeline with center line.
One end that the coal spraying pipeline is equipped with wind turbine of delivering coal is connected to coal powder injection storehouse by separating wheel.
The wearing plate of two pieces of parallel arrangements in the smooth combustion apparatus, one piece of wearing plate is fixed on coal spraying pipeline, another
For block wearing plate close to port, the diameter for being fixed on the wearing plate on coal spraying pipeline is straight less than the wearing plate close to port
Diameter.
The oil spout pipeline is equipped with compressed air inlet.
A kind of application method of coal burner is comprised the following steps using above-mentioned coal burner：When igniting, first
Oil pump is opened, diesel oil enters atomizer from oil spout pipeline, by compressed air by diesel oil atomization, is then lighted with torch,
After being raised to certain temperature, wind turbine of delivering coal is opened, coal dust passes through the coal powder injection hole on the wearing plate in coal spraying pipeline and smooth combustion apparatus
It sprays, and diesel oil ignited, is then turned on primary air piping and secondary air channel progress is combustion-supporting, the temperature of port is made to be brought rapidly up,
Until meeting production requirement.
The beneficial effects of the invention are as follows：Igniting is easy quick heating, can reduce energy consumption 30% or so, improves raw coal utilization
Rate reduces the discharge of Litter.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is coal spraying pipeline sectional view of the present invention；
Fig. 3 is smooth combustion apparatus side view of the present invention；
In figure：It is primary air piping 1, coal spraying pipeline 2, secondary air channel 3, block 4, twisted plate 5, smooth combustion apparatus 6, oil spout pipeline 7, stainless
Steel insulated wall 8, hot-blast stove 9 enter to grind hot air duct 10, coal powder injection storehouse 11, separate wheel 12, wind turbine 13 of delivering coal, compressed air inlet 14.
Specific implementation mode
Below in conjunction with attached drawing, by example, the invention will be further described.
With reference to attached drawing 1,2,3, a kind of coal burner, including coal spraying pipeline 2, block 4, twisted plate 5, smooth combustion apparatus 6, spray
One end of oil-piping 7 and wind turbine 13 of delivering coal, coal spraying pipeline 2 is discharge, and the other end of coal spraying pipeline 2 is equipped with wind turbine of delivering coal
13, the discharge of coal spraying pipeline 2 is equipped with smooth combustion apparatus 6, and the smooth combustion apparatus 6 includes the wearing plate of two pieces of parallel arrangements, often
It is equipped with multiple coal powder injection holes being evenly arranged on block wearing plate, block 4 and twisted plate 5, oil spout pipeline 7 are equipped in coal spraying pipeline 2
One end be equipped with atomizer, the other end of oil spout pipeline 7 connects oil pump, the smooth combustion apparatus 6 of 2 discharge of coal spraying pipeline and oil spout
The atomizer of pipeline 7 is adjacently positioned, and constitutes port.
In the present embodiment, the one end of coal spraying pipeline 2 equipped with wind turbine 13 of delivering coal is connected to coal powder injection storehouse 11 by separating wheel 12.
The inside and outside of coal spraying pipeline 2 is respectively equipped with primary air piping 1 and secondary air channel 3, primary air piping 1 and secondary air channel 3 and coal powder injection
Pipeline 2 is arranged with center line.Oil spout pipeline 7 is equipped with compressed air inlet 14.
Block 4 and twisted plate 5 are equipped in coal spraying pipeline 2, block 4 is equivalent to the protrusion being fixed in coal spraying pipeline 2, can
Change the direction of motion of coal dust.Twisted plate 5 is fixed on the inner wall of coal spraying pipeline 2, axial cloth of the twisted plate 5 along coal spraying pipeline 2
It sets, when coal dust strikes on twisted plate 5, twisted plate 5 can disperse coal dust, and such coal dust can be evenly dispersed to surely
It fires on device 6.
Smooth combustion apparatus 6 be two identical thickness be 20mm after wearing plate, midfeather 10cm, and on wearing plate
The even circular hole that is dispersed with is as coal powder injection hole, so that fuel passes through.Two pieces of wearing plate parallel arrangements, one piece is fixed on coal spraying pipeline
On 2, another piece, close to port, is fixed on the diameter of the wearing plate on coal spraying pipeline 2 less than the wearing plate close to port
Diameter.
A kind of application method of coal burner is comprised the following steps using above-mentioned coal burner：When igniting, first
Oil pump is opened, diesel oil enters in oil spout pipeline 7, and compressed air enters in oil spout pipeline 7 from compressed air inlet 14 and diesel oil
Converge, and will be sprayed after diesel oil atomization by atomizer, then lighted with torch, slowly heated up, when temperature is raised to 200 degree
When, start coal powder injection；Unlatching is delivered coal wind turbine 13, is then started and is separated wheel 12, and the coal dust in coal powder injection storehouse 11, which passes through, to be separated wheel 12 and enter
Change the direction of motion of coal dust by the block 4 and twisted plate 5 in coal spraying pipeline 2 to coal spraying pipeline 2, coal dust is made uniformly to divide
On cloth to smooth combustion apparatus 6, coal dust is sprayed by the coal powder injection hole on the wearing plate in smooth combustion apparatus, and diesel oil ignited；It opens simultaneously
Primary air piping 1 and its air-introduced machine are opened, helps to burn, hot wind enters Vertical Mill with entering to grind hot air duct 10, while making in hot-blast stove 9
Portion generates enough negative pressure, will continue to rise to 500 degree when temperature, and open secondary air channel 3, make temperature continue to increase, Zhi Daoman
Sufficient production requirement.
In temperature-rise period, stainless steel insulated wall 8 is also constantly heating up, and stainless steel insulated wall is wear-resisting, high temperature resistant, by hot wind
The combustion zone diameter of stove 9 becomes smaller, and when there are emergency situations, when such as putting out a fire, can immediately turn on equipment and be lighted, heat preservation effect
Fruit is good, does not influence to produce.
Claims (7)
1. a kind of coal burner, it is characterised in that include coal spraying pipeline（2）, block（4）, twisted plate（5）, smooth combustion apparatus（6）、
Oil spout pipeline（7）With wind turbine of delivering coal（13）, coal spraying pipeline（2）One end be discharge, coal spraying pipeline（2）The other end be equipped with
It delivers coal wind turbine（13）, coal spraying pipeline（2）Discharge be equipped with smooth combustion apparatus（6）, the smooth combustion apparatus（6）It is parallel including two pieces
The wearing plate of arrangement is equipped with multiple coal powder injection holes being evenly arranged, coal spraying pipeline on every piece of wearing plate（2）It is interior to be equipped with block（4）
And twisted plate（5）, oil spout pipeline（7）One end be equipped with atomizer, oil spout pipeline（7）The other end connect oil pump, coal spraying pipeline
（2）The smooth combustion apparatus of discharge（6）With oil spout pipeline（7）Atomizer be adjacently positioned, constitute port.
2. a kind of coal burner according to claim 1, it is characterised in that the coal spraying pipeline（2）Interior twisted plate
（5）It is fixed on coal spraying pipeline（2）Inner wall on, twisted plate（5）Along coal spraying pipeline（2）It is axial arranged.
3. a kind of coal burner according to claim 1 or 2, it is characterised in that the coal spraying pipeline（2）Inside and
Outside is respectively equipped with primary air piping（1）And secondary air channel（3）, the primary air piping（1）And secondary air channel（3）With coal spraying pipeline
（2）It is arranged with center line.
4. a kind of coal burner according to claim 1 or 2, it is characterised in that the coal spraying pipeline（2）Equipped with delivering coal
Wind turbine（13）One end and coal powder injection storehouse（11）It is taken turns by separating（12）Connection.
5. a kind of coal burner according to claim 1, it is characterised in that the smooth combustion apparatus（6）In two pieces it is parallel
The wearing plate of arrangement, one piece of wearing plate are fixed on coal spraying pipeline（2）On, another piece of wearing plate is fixed on coal powder injection close to port
Pipeline（2）On wearing plate diameter be less than close to port wearing plate diameter.
6. a kind of coal burner according to claim 1, it is characterised in that the oil spout pipeline（7）It is empty to be equipped with compression
Gas entrance（14）.
7. a kind of application method of coal burner, special using any one coal burner defined by claim 1-6
Sign is to comprise the following steps：When igniting, oil pump is first turned on, diesel oil enters oil spout pipeline（7）Interior, compressed air is from compression
Air intake（14）Into oil spout pipeline（7）It is interior to converge with diesel oil, and will be sprayed after diesel oil atomization by atomizer, then use fire
It being lighted, slowly heats up, when temperature is raised to 200 degree, starts coal powder injection；Unlatching is delivered coal wind turbine（13）, then start and separate
Wheel（12）, coal powder injection storehouse（11）Interior coal dust is taken turns by separating（12）Enter coal spraying pipeline（2）, pass through coal spraying pipeline（2）Interior
Block（4）And twisted plate（5）, change the direction of motion of coal dust, coal dust made to be evenly dispersed to smooth combustion apparatus（6）On, coal dust is logical
It crosses the coal powder injection hole on the wearing plate in smooth combustion apparatus to spray, and diesel oil ignited；Open primary air piping simultaneously（1）With its air inducing
Machine helps to burn, and hot wind is with entering to grind hot air duct（10）Into Vertical Mill, while making hot-blast stove（9）Inside generates enough bear
Pressure will continue to rise to 500 degree when temperature, and open secondary air channel（3）, make temperature continue to increase, until meeting production requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439102.3A CN108302524A (en) | 2017-12-27 | 2017-12-27 | A kind of coal burner and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711439102.3A CN108302524A (en) | 2017-12-27 | 2017-12-27 | A kind of coal burner and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108302524A true CN108302524A (en) | 2018-07-20 |
Family
ID=62867464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711439102.3A Withdrawn CN108302524A (en) | 2017-12-27 | 2017-12-27 | A kind of coal burner and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302524A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126729A (en) * | 2020-09-17 | 2020-12-25 | 德龙钢铁有限公司 | Divergent coal injection device for blast furnace |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098489A (en) * | 1994-07-01 | 1995-02-08 | 浙江大学 | Coal-powder boiler adjustable concentration low load automatic stable burning and slag-bonding protective device |
| JPH1061910A (en) * | 1996-08-21 | 1998-03-06 | Daido Steel Co Ltd | Pulverized coal burner for powder thermal-spraying |
| CN201666566U (en) * | 2010-01-19 | 2010-12-08 | 浙江省特种设备检验研究院 | Burning coal industrial boiler system |
| CN202561736U (en) * | 2012-05-16 | 2012-11-28 | 泰山中联水泥有限公司 | Flame stabilizer for pulverized coal burner |
| JP2013234843A (en) * | 2013-07-22 | 2013-11-21 | Mitsubishi Heavy Ind Ltd | Solid fuel-fired combustion burner and solid fuel combustion boiler |
| CN105042584A (en) * | 2015-07-31 | 2015-11-11 | 四川金锋建设有限公司 | Method for using pulverized coal burner sprayer |
| CN106196041A (en) * | 2016-07-05 | 2016-12-07 | 哈尔滨锅炉厂有限责任公司 | Multiple stage separation annular return formula axial rotational flow burner |
| CN207648786U (en) * | 2017-12-27 | 2018-07-24 | 唐山博全实业有限公司 | A kind of coal burner |
-
2017
- 2017-12-27 CN CN201711439102.3A patent/CN108302524A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098489A (en) * | 1994-07-01 | 1995-02-08 | 浙江大学 | Coal-powder boiler adjustable concentration low load automatic stable burning and slag-bonding protective device |
| JPH1061910A (en) * | 1996-08-21 | 1998-03-06 | Daido Steel Co Ltd | Pulverized coal burner for powder thermal-spraying |
| CN201666566U (en) * | 2010-01-19 | 2010-12-08 | 浙江省特种设备检验研究院 | Burning coal industrial boiler system |
| CN202561736U (en) * | 2012-05-16 | 2012-11-28 | 泰山中联水泥有限公司 | Flame stabilizer for pulverized coal burner |
| JP2013234843A (en) * | 2013-07-22 | 2013-11-21 | Mitsubishi Heavy Ind Ltd | Solid fuel-fired combustion burner and solid fuel combustion boiler |
| CN105042584A (en) * | 2015-07-31 | 2015-11-11 | 四川金锋建设有限公司 | Method for using pulverized coal burner sprayer |
| CN106196041A (en) * | 2016-07-05 | 2016-12-07 | 哈尔滨锅炉厂有限责任公司 | Multiple stage separation annular return formula axial rotational flow burner |
| CN207648786U (en) * | 2017-12-27 | 2018-07-24 | 唐山博全实业有限公司 | A kind of coal burner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126729A (en) * | 2020-09-17 | 2020-12-25 | 德龙钢铁有限公司 | Divergent coal injection device for blast furnace |
| CN112126729B (en) * | 2020-09-17 | 2022-03-18 | 德龙钢铁有限公司 | Divergent coal injection device for blast furnace |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180720 |
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| WW01 | Invention patent application withdrawn after publication |