CN204420987U - The burner of W flame boiler and W flame boiler - Google Patents
The burner of W flame boiler and W flame boiler Download PDFInfo
- Publication number
- CN204420987U CN204420987U CN201520042894.0U CN201520042894U CN204420987U CN 204420987 U CN204420987 U CN 204420987U CN 201520042894 U CN201520042894 U CN 201520042894U CN 204420987 U CN204420987 U CN 204420987U
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- main gas
- burner
- gas blowout
- blowout mouth
- overfire air
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- 239000003245 coal Substances 0.000 claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 17
- 230000008602 contraction Effects 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 9
- 239000007789 gas Substances 0.000 description 83
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000002817 coal dust Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010304 firing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 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
- 238000005266 casting Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
Abstract
The utility model discloses a kind of burner and W flame boiler of W flame boiler, wherein, the end of main gas tube (9) is provided with the multiple main gas blowout mouth (1) be connected with burner hearth; The end in blast pipe road (10) is provided with the one or more weary gas blowout mouth (2) be connected with boiler vertical wall (4); The multiple overfire air ports be connected with burner hearth are provided with at the end of Secondary Air pipeline; Multiple main gas blowout mouth (1) centralized arrangement, is arranged in around multiple main gas blowout mouth.Burner of the present utility model and W flame boiler, main gas blowout mouth centralized arrangement, enhances catching fire of pulverized coal particle; Weary gas blowout mouth is arranged in the certain position of vertical wall, is conducive to catching fire of weary entraining air stream; Overfire air port is arranged in around main gas blowout mouth, and each spout, with layout at an angle with wall-cooling surface, enhances burning control NO simultaneously
xgeneration.Main gas blowout mouth is wrapped up by overfire air port, achieves " bellows chamber powder ", protects furnace wall cooling, effectively prevent slagging scorification.
Description
Technical field
The utility model relates to technical field of boiler combustion, particularly relates to a kind of burner and W flame boiler of W flame boiler.
Background technology
W flame boiler is a kind of specially in order to the boiler of low volatile coal of burning of Foster Wheeler company of U.S. exploitation, with the obvious advantage when using the low volatile such as anthracite and meager coal inferior coal.W flame boiler lower hearth larger than upper furnace 80% ~ 120%, the furnace roof that front and back are given prominence to constitutes chimney arch, coal nozzle is contained on chimney arch, and spray into burner hearth downwards, when breeze airflow flows downward expansion, after lower furnace portion and Secondary Air are met, half-turn is upwards flowed, and forms " W " shape flame.Catch fire in time for making coal dust, smooth combustion, after-flame, W flame boiler often adopts low wind speed, high coal powder density, high wind-warm syndrome and burner region to lay the measures such as wall with refractory lining, refracto, but some measure with reduce NO
xcreate contradiction, cause W flame boiler NO
xconcentration of emission is general higher.W flame boiler technology school is more, and the technological disparity between different school is comparatively large, and furnace profile, burner and air distribution structure all have larger difference, and these differences all can make a significant impact the burning of W flame boiler.W flame boiler is ubiquity poor combustion stability, coal dust after-flame difficulty, boiler scaling and NO in combustion
xthe problems such as discharge capacity is high.Along with China improves gradually to the requirement of station boiler in energy-saving and emission-reduction, existing W flame boiler is difficult to the environmental requirement reaching country, urgently carries out upgrading.
Such as, a kind of W flame boiler adopts single cyclone cylinder slit burner.Fig. 1, Fig. 2 are respectively the arrangement of this burner on chimney arch and spout arrangement schematic diagram.Burner nozzle adopts direct current slit, often prop up the corresponding two row breeze airflow spouts (comprising main gas blowout mouth and weary gas blowout mouth) of burner, often row breeze airflow is main gas blowout mouth near burner hearth central side, close vertical wall side is weary gas blowout mouth, the often corresponding left and right each row overfire air port of row breeze airflow spout, as shown in Figure 2.Burner is arranged in groups, and every two burners form one group of burner, as shown in Figure 1, Figure 2.This burner utilizes single cyclone cylinder to carry out air-coal separating to breeze airflow, and single cyclone cylinder volume is large, can realize the Pulverized Coal Concentration of high concentration.Breeze airflow spout and overfire air port all become prolate shape (slit), breeze airflow spout layout alternate with overfire air port, contact area is large, is conducive to breeze airflow and mixes with the rapid of Secondary Air, provides the oxygen needed for breeze airflow burning in time; Comparatively large owing to encircleing upper secondary air ratio, and be entrained with breeze airflow and spray into burner hearth straight down, can ensure the descending degree of depth of pulverized coal particle, be conducive to the after-flame of pulverized coal particle, what breeze airflow wind speed can be arranged lowlyer be beneficial to catching fire of breeze airflow simultaneously; In addition, burner is furnished with the mutual support be beneficial between two burners in groups, adds the local heat load of burner region, is conducive to catching fire of pulverized coal particle, the combustion stability of enhanced burning device.
The above-mentioned type W flame boiler-burner has following shortcoming:
(1) because breeze airflow spout (comprising main gas blowout mouth and weary gas blowout mouth) is in prolate shape, and often prop up burner only corresponding two row breeze airflow spouts, just less to the area of burner hearth central side after making breeze airflow enter burner hearth, the burner hearth central high temperature smoke backflow heat that breeze airflow is subject to and radiations heat energy limited, be unfavorable for that breeze airflow catches fire;
(2) weary gas blowout mouth is positioned at (relative burner hearth center) outside main gas blowout mouth, the burner hearth central high temperature smoke backflow heat received and radiations heat energy limited, add that weary gas coal powder density is lower, weary entraining air stream catch fire particularly difficulty;
(3) overfire air port layout alternate with breeze airflow spout, all in prolate shape, both contacts area are large, and distance is near, mix with Secondary Air very soon after making breeze airflow enter burner hearth, add breeze airflow to catch fire required heat, affect catching fire and smooth combustion of breeze airflow, finally have impact on the after-flame of pulverized coal particle;
(4) Secondary Air was mixed in a large number at the pulverized coal particle burning initial stage, caused NO
xa large amount of generation, is unfavorable for control NO
x;
(5) weary gas blowout mouth is near vertical wall, and does not have Secondary Air to wrap up, and easily causes Boiler Furnace slagging.
Utility model content
In view of this, a technical problem to be solved in the utility model there is provided a kind of burner of W flame boiler, to solve, W flame boiler combustion stability is poor, coal dust after-flame difficulty, slagging scorification, problem that NOx discharge is high.
A burner for W flame boiler, comprising: breeze airflow pipeline and Secondary Air pipeline; Described breeze airflow pipeline comprises: main gas tube, blast pipe road; The end of described main gas tube is provided with the multiple main gas blowout mouth be connected with burner hearth; The end in described blast pipe road is provided with the one or more weary gas blowout mouth be connected with boiler vertical wall; The multiple overfire air ports be connected with burner hearth are provided with at the end of described Secondary Air pipeline; Described multiple main gas blowout mouth centralized arrangement, and described multiple overfire air port is arranged in around described multiple main gas blowout mouth.
According to an embodiment of the present utility model, further, described multiple main gas blowout mouth and described multiple overfire air port are all arranged in boiler arch.
According to an embodiment of the present utility model, further, described main gas tube is provided with main gas side adjustable contraction.
According to an embodiment of the present utility model, further, described blast pipe road is provided with weary gas side adjustable contraction.
According to an embodiment of the present utility model, further, the overfire air port near side, burner hearth center in described multiple overfire air port is provided with damper.
According to an embodiment of the present utility model, further, the overfire air port of the overfire air port or close boiler vertical wall that are positioned at described multiple main gas blowout mouth both sides in described multiple overfire air port is for swinging spout.
According to an embodiment of the present utility model, further, the shape of described main gas blowout mouth, described weary gas blowout mouth and described overfire air port is circular or rectangle.
According to an embodiment of the present utility model, further, also comprise: Pulverized Coal Concentration device, coal powder light-dark separation device; Described Pulverized Coal Concentration device is connected with described coal powder light-dark separation device by pulverized coal channel.
A kind of W flame boiler, comprises the burner of W flame boiler as above.
The burner of W flame boiler of the present utility model and W flame boiler, main gas blowout mouth centralized arrangement, enhances catching fire of pulverized coal particle; Weary gas blowout mouth is arranged in vertical wall certain position, is conducive to catching fire of weary entraining air stream; Overfire air port is arranged in around main gas blowout mouth, and each spout, with layout at an angle with wall-cooling surface, enhances burning control NO simultaneously
xgeneration.Main gas blowout mouth is wrapped up by overfire air port, achieves " bellows chamber powder ", protects furnace wall cooling, effectively prevent slagging scorification, solves the difficult after-flame of W flame boiler, easy slagging scorification, the problem that NOx emission is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the arrangement schematic diagram of single cyclone cylinder slit burner nozzle on chimney arch of W flame boiler in prior art;
Fig. 2 is single cyclone cylinder slit burner nozzle arrangement schematic diagram of W flame boiler in prior art; Wherein, 101-main gas blowout mouth, the weary gas blowout mouth of 102-, 103-overfire air port, 104-vertical wall, 105-burner hearth;
Fig. 3 is the schematic diagram of an embodiment of burner according to W flame boiler of the present utility model;
Fig. 4 is the spout arrangement schematic diagram of an embodiment of burner according to W flame boiler of the present utility model;
Fig. 5 and Fig. 6 is the arrangement schematic diagram of spout on burner hearth of W flame boiler combustion device of the present utility model;
Wherein, 1-main gas blowout mouth, 2-weary gas blowout mouth, the overfire air port of 31-near side, burner hearth center, the overfire air port of 32-on the right side of vertical wall one lateral second wind spout, 34-main gas blowout mouth, 4-vertical wall, 5-burner hearth, 6-chimney arch, 7-pulverized coal channel, 8-light-dark separation device, 9-main gas tube, 10-blast pipe road, 11-main gas side adjustable contraction, 12-weary gas side adjustable contraction, 13-damper, 14-adjusting rod, 15-secondary air box.
Detailed description of the invention
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model is wherein described.Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with figure and embodiment, many-sided description is carried out to the technical solution of the utility model.
Hereafter convenient in order to describe, hereinafter alleged "left", "right", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
Main gas in the utility model refers to that the part that breeze airflow coal powder density after coal powder light-dark separation device is denseer, weary gas refer to the part that breeze airflow coal powder density after coal powder light-dark separation device is lighter.
As shown in Figure 3,4, the burner of W flame boiler comprises: breeze airflow pipeline and Secondary Air pipeline.Breeze airflow pipeline comprises: main gas tube 9, blast pipe road 10.The end of main gas tube 9 is provided with the multiple main gas blowout mouth 1 be connected with burner hearth.The multiple overfire air ports be connected with burner hearth are provided with at the end of Secondary Air pipeline.Multiple main gas blowout mouth 1 centralized arrangement, and multiple overfire air port is arranged in around multiple main gas blowout mouth.The position of multiple main gas blowout mouths and multiple overfire air port can be arranged according to designing needs, such as, is all arranged in boiler arch 6.
The end in blast pipe road 10 is provided with the one or more weary gas blowout mouth 2 be connected with boiler vertical wall 4.Main gas tube 9 is provided with main gas side adjustable contraction 11.Blast pipe road 10 is provided with weary gas side adjustable contraction 12.Main gas blowout mouth 1, overfire air port are to be the angle of inclination set with weary gas blowout mouth 2 and the wall (wall-cooling surface) of boiler, and such as angle of inclination is: 3-5 degree, 5-8 degree etc.
Overfire air port 31 near side, burner hearth center in multiple overfire air port is provided with damper 13.The overfire air port 32 of the overfire air port 33,34 or close boiler vertical wall that are positioned at multiple main gas blowout mouth both sides in multiple overfire air port is for swinging spout.The shape of main gas blowout mouth, weary gas blowout mouth and overfire air port is circle or rectangle etc.
The burner of the W flame boiler provided in above-described embodiment, by main gas blowout mouth centralized arrangement, increase side towards the fire (side towards burner hearth center) area and the area coverage of main gas blowout mouth, weary entraining air stream is sprayed into by vertical wall certain position, make weary entraining air stream directly in the face of burner hearth high-temperature region, overfire air port is arranged in around main gas blowout mouth, and keep at a certain distance away, both can not be mixed at the coal dust firing initial stage increase that a large amount of Secondary Air causes breeze airflow ignition heat, can provide in time again pulverized coal particle burn needed for oxygen to ensure after-flame; The phase is mixed into breeze airflow before combustion can to control Secondary Air, decreases NO
xgeneration.Main gas blowout mouth is wrapped up by overfire air port, achieves " bellows chamber powder ", protects furnace wall cooling, effectively prevent slagging scorification.
From the breeze airflow of pulverized coal channel 7 after light-dark separation device 8, be divided into containing the larger main gas of coal powder density and contain the less weary gas of coal powder density, main gas enters main gas tube 9 and enters burner hearth 5 through main gas blowout mouth 1 by boiler arch 6, and weary gas enters blast pipe road 10 and enters burner hearth 5 through weary gas blowout mouth 2 by boiler vertical wall 4.Wherein, main gas tube 9 is provided with main gas side adjustable contraction 11, blast pipe road 10 is provided with weary gas side adjustable contraction 12.
Secondary Air enters burner hearth 5 through overfire air port 31,32,33,34 by boiler arch 6 in secondary air box 15.Overfire air port 31,32,33,34 is arranged in main gas blowout mouth 1 around, wherein, overfire air port 31 near side, burner hearth center is provided with damper 13, is controlled to adjust the position of air door 13 by adjusting rod 14, regulates the intake of the overfire air port 31 near side, burner hearth center.The overfire air port 33,34 of main gas blowout mouth 1 left and right sides and the overfire air port 32 near front-back wall side, for swinging spout, can make Secondary Air enter burner hearth 5 with different angles.
By main gas blowout mouth 1 centralized arrangement, the side towards the fire increasing main gas blowout mouth 1, towards the side at burner hearth center and area coverage, is conducive to main entraining air stream and receives burner hearth central high temperature smoke backflow heat and radiations heat energy, be conducive to catching fire and smooth combustion of main entraining air stream.Weary entraining air stream is sprayed into burner hearth 5 by vertical wall 4 certain position, makes weary entraining air stream directly in the face of burner hearth high-temperature region, be conducive to catching fire of weary entraining air stream.
By controlling main gas side adjustable contraction 11 and weary gas side adjustable contraction 12, the allocation proportion of adjustable main gas and weary gas, enhances the coal adaptive capacity of burner.Overfire air port 31,32,33,34 is arranged in main gas blowout mouth 1 around, and keeps at a certain distance away, and avoids being mixed in a large number at coal dust firing initial stage Secondary Air, has both been conducive to catching fire of breeze airflow, can not produce NO in a large number again
x, achieve " bellows chamber powder " simultaneously, protect furnace wall cooling, effectively prevent Boiler Furnace slagging.
By regulating the position of damper 13, achieve the control of the intake to the overfire air port 31 near side, burner hearth center.By controlling the angle of the angle of the overfire air port 33,34 of different main gas blowout mouth 1 left and right sides and the overfire air port 32 near front-back wall side, achieve the control of position Secondary Air being mixed into main entraining air stream, both avoid Secondary Air and be mixed into main entraining air stream in a large number at the coal dust firing initial stage, provide the oxygen needed for coal dust firing during postscript, ensure that the after-flame of pulverized coal particle.
The spout of the burner of W flame boiler of the present utility model can be arranged according to concrete needs, as shown in Figure 5, Figure 6, main gas blowout mouth and overfire air port are all arranged in boiler arch, main gas blowout mouth and overfire air port respectively can arrange multiple row, and overfire air port is arranged on around main gas blowout mouth.
The utility model provides a kind of W flame boiler, comprises the burner of W flame boiler as above.
The burner of the W flame boiler provided in above-described embodiment and W flame boiler, main gas blowout mouth centralized arrangement, enhances catching fire of pulverized coal particle; Weary gas blowout mouth is arranged in vertical wall certain position, is conducive to catching fire of weary entraining air stream; Overfire air port is arranged in around main gas blowout mouth, and each spout, with layout at an angle with wall-cooling surface, enhances burning control NO simultaneously
xgeneration.Main gas blowout mouth is wrapped up by overfire air port, achieves " bellows chamber powder ", protects furnace wall cooling, effectively prevent slagging scorification, solves that W flame boiler coal-ash particle difficulty is caught fire, difficult after-flame, easy slagging scorification, the problem that NOx emission is high.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the utility model just discloses component values to illustrate the technical solution of the utility model, and the above-mentioned numerical value enumerated should not form restriction the utility model being created to protection domain.
Simultaneously, if above-mentioned the utility model discloses or relate to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use casting technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in above-mentioned the utility model for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts that the utility model provides both can be assembled by multiple independent part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (9)
1. a burner for W flame boiler, is characterized in that, comprising:
Breeze airflow pipeline and Secondary Air pipeline;
Described breeze airflow pipeline comprises: main gas tube (9), blast pipe road (10); The end of described main gas tube (9) is provided with the multiple main gas blowout mouth (1) be connected with burner hearth; The end of described blast pipe road (10) is provided with the one or more weary gas blowout mouth (2) be connected with boiler vertical wall (4); The multiple overfire air ports be connected with burner hearth are provided with at the end of described Secondary Air pipeline; Described multiple main gas blowout mouth (1) centralized arrangement, and described multiple overfire air port is arranged in around described multiple main gas blowout mouth.
2. burner as claimed in claim 1, is characterized in that:
Described multiple main gas blowout mouth and described multiple overfire air port are all arranged in boiler arch (6).
3. burner as claimed in claim 1, is characterized in that:
Described main gas tube (9) is provided with main gas side adjustable contraction (11).
4. burner as claimed in claim 1, is characterized in that:
Described blast pipe road (10) is provided with weary gas side adjustable contraction (12).
5. burner as claimed in claim 1, is characterized in that:
Overfire air port (31) near side, burner hearth center in described multiple overfire air port is provided with damper (13).
6. burner as claimed in claim 5, is characterized in that:
The overfire air port (32) of the overfire air port (33,34) or close boiler vertical wall that are positioned at described multiple main gas blowout mouth both sides in described multiple overfire air port is for swinging spout.
7. burner as claimed in claim 1, is characterized in that:
The shape of described main gas blowout mouth, described weary gas blowout mouth and described overfire air port is circular or rectangle.
8. device as claimed in claim 1, is characterized in that:
Also comprise: Pulverized Coal Concentration device, coal powder light-dark separation device (8);
Described Pulverized Coal Concentration device is connected with described coal powder light-dark separation device by pulverized coal channel.
9. a W flame boiler, is characterized in that:
Comprise the burner of the W flame boiler as described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042894.0U CN204420987U (en) | 2015-01-22 | 2015-01-22 | The burner of W flame boiler and W flame boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042894.0U CN204420987U (en) | 2015-01-22 | 2015-01-22 | The burner of W flame boiler and W flame boiler |
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| Publication Number | Publication Date |
|---|---|
| CN204420987U true CN204420987U (en) | 2015-06-24 |
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| CN201520042894.0U Expired - Fee Related CN204420987U (en) | 2015-01-22 | 2015-01-22 | The burner of W flame boiler and W flame boiler |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864751B (en) * | 2015-01-22 | 2018-07-06 | 烟台龙源电力技术股份有限公司 | The burner of W flame boiler and W flame boiler |
| CN110645569A (en) * | 2019-11-01 | 2020-01-03 | 国电南京电力试验研究有限公司 | Combustion system and combustion method for improving flexibility of coal types of W flame boiler |
| CN113324242A (en) * | 2021-06-18 | 2021-08-31 | 哈尔滨工业大学 | W-flame boiler adopting circulating flue gas type gap type direct-current pulverized coal burner |
-
2015
- 2015-01-22 CN CN201520042894.0U patent/CN204420987U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105864751B (en) * | 2015-01-22 | 2018-07-06 | 烟台龙源电力技术股份有限公司 | The burner of W flame boiler and W flame boiler |
| CN110645569A (en) * | 2019-11-01 | 2020-01-03 | 国电南京电力试验研究有限公司 | Combustion system and combustion method for improving flexibility of coal types of W flame boiler |
| CN110645569B (en) * | 2019-11-01 | 2023-10-24 | 国能南京电力试验研究有限公司 | Combustion system and combustion method for improving flexibility of W-flame boiler coal types |
| CN113324242A (en) * | 2021-06-18 | 2021-08-31 | 哈尔滨工业大学 | W-flame boiler adopting circulating flue gas type gap type direct-current pulverized coal burner |
| CN113324242B (en) * | 2021-06-18 | 2022-03-11 | 哈尔滨工业大学 | W-flame boiler adopting circulating flue gas type gap type direct-current pulverized coal burner |
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