WO2013018328A1 - 固体燃料バーナ - Google Patents

固体燃料バーナ Download PDF

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Publication number
WO2013018328A1
WO2013018328A1 PCT/JP2012/004764 JP2012004764W WO2013018328A1 WO 2013018328 A1 WO2013018328 A1 WO 2013018328A1 JP 2012004764 W JP2012004764 W JP 2012004764W WO 2013018328 A1 WO2013018328 A1 WO 2013018328A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide member
combustion gas
flow
secondary combustion
burner
Prior art date
Application number
PCT/JP2012/004764
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
嶺　聡彦
倉増　公治
健一 越智
佑介 越智
三紀 下郡
大谷津　紀之
聡 多田隈
Original Assignee
バブコック日立株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by バブコック日立株式会社 filed Critical バブコック日立株式会社
Priority to KR1020137033617A priority Critical patent/KR101560076B1/ko
Priority to EP12820064.9A priority patent/EP2738461B1/en
Priority to AU2012291497A priority patent/AU2012291497B2/en
Publication of WO2013018328A1 publication Critical patent/WO2013018328A1/ja

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B99/00—Subject matter not provided for in other groups of this subclass
    • 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
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
    • F23D14/78—Cooling burner parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/10—Nozzle tips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2201/00—Burners adapted for particulate solid or pulverulent fuels
    • F23D2201/20—Fuel flow guiding devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2214/00—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00016—Preventing or reducing deposit build-up on burner parts, e.g. from carbon

Definitions

  • the present invention relates to a solid fuel burner for burning solid fuel such as coal.
  • the burner structure that burns solid fuel such as coal aims to reduce the stability of the flame, the reduction of unburned carbon in the fuel, and the reduction of nitrogen oxides contained in the combustion gas.
  • Various structures have been proposed.
  • the tertiary air flow is ejected to the outside of the mixed flow of pulverized coal and carrier gas, and the secondary air flow is ejected further outward than the tertiary air flow.
  • both primary sleeve portions are formed as a cooling sleeve having a double structure, fins are provided in the cooling sleeve, and air is passed through the cooling sleeve to cool the flame holding ring.
  • the burner described in Japanese Patent Application Laid-Open No. 2004-101071 has a pilot nozzle in the center of the burner body and a plurality of main nozzles arranged at intervals around the pilot nozzle, and flames ejected from the pilot nozzle are emitted from the main nozzle.
  • a flange is provided at the tip of the tapered portion that radiates from the pilot nozzle outlet toward the main nozzle, and a flame-holding flame low speed region (circulation) is provided downstream of the flange.
  • a configuration for forming a flow) is disclosed. Since there is an air passage portion connected to the taper portion inside the collar portion facing the flame low speed region, it becomes possible to cool the collar portion and air is jetted from the taper portion toward the main nozzle. It is described in the above publication that the flashback can be prevented.
  • the tip of the gas nozzle of the burner described in JP-A-11-148611 has a cooling structure provided with fins that can be air-cooled in order to prevent high temperatures due to radiation from the furnace.
  • the tip of the partition wall between the pulverized coal nozzle and the secondary air nozzle serves as the secondary air flow ejection direction control means, and the secondary air flow ejection angle is determined from the tertiary air flow ejection angle.
  • the guide plate directly receives radiation from inside the furnace, there is a possibility of burning.
  • the flame holding ring is well cooled because there are fins in the cooling sleeve.
  • the cooling air ejected from the flame holding ring into the furnace is in the vicinity of the flame holding ring and hinders the formation of a circulating flow composed of high-temperature air and pulverized coal on the downstream side of the flame holding ring.
  • the burner described in Patent Document 3 is a gas turbine burner, flame reduction for flame holding on the downstream side of the flange portion provided at the tip of the tapered portion that radiates from the pilot nozzle outlet toward the main nozzle. A region (circulation flow) is formed, and an air passage portion connected to the tapered portion is provided inside the collar portion to cool the collar portion.
  • the target is gas combustion, ash adhesion is not taken into consideration, and the circulation area in the wake of the buttock is enlarged, so when the structure of the burner is applied to solid fuel such as coal It is thought that ash tends to adhere to the buttocks. Further, since the ignition of the solid fuel is slower than that of the gas fuel, it can be considered that using the structure of the burner makes the ignition worse.
  • the problem of the present invention is that the member at the burner outlet is not burned out by radiation from the furnace, prevents ash adhesion to the member, and does not disturb the formation of the high-temperature circulation flow at the burner outlet. It is to provide a solid fuel burner that maintains solid fuel ignition and flame stability.
  • the present invention employs the following means for achieving the above object.
  • the invention described in claim 1 is a fuel nozzle (11) that ejects a mixed fluid of solid fuel and its carrier gas, and a secondary combustion gas that flows on a concentric shaft on the outer peripheral side of the fuel nozzle (11).
  • a solid fuel burner provided with a guide sleeve (25) for guiding the flow of the tertiary combustion gas (18) from the burner central axis side to the outer peripheral side at the outlet end, and the inside of the secondary combustion gas nozzle (13)
  • a flame holder (23) which is provided at the outer front end of the peripheral wall (29) and guides the flow (17) of the secondary combustion gas to the outer peripheral side of the secondary combustion gas nozzle (13); and the flame holder (23) is held on the outer peripheral surface of the secondary combustion gas flow
  • the first guide member (34) guided to the first member and the fin member (36) are held at the front ends of the first guide member (34) and spaced apart from the first guide member (34).
  • a second guide member (35) for guiding the secondary combustion gas flow (17) outward from the burner central axis side, and the first guide member A space through which a part of the secondary combustion gas flow (17) flows is provided between the outer peripheral surface of the flame holder (23) leading to (34) and the second guide member (35).
  • the flow of the next combustion gas (17) is divided into the furnace front side and the back side of the second guide member (35).
  • the outward angle of the first guide member (34) and the second guide member (35) with respect to the burner central axis is greater than the outward angle of the guide sleeve (25) with respect to the burner central axis. It is a solid fuel burner characterized by its large size.
  • the invention described in claim 2 is a fuel nozzle (11) for ejecting a mixed fluid of a solid fuel and its carrier gas, and a secondary combustion gas flowing on a concentric shaft on the outer peripheral side of the fuel nozzle (11).
  • a solid fuel burner provided with a guide sleeve (25) for guiding the flow of the tertiary combustion gas (18) from the burner central axis side to the outer peripheral side at the outlet end, wherein the secondary combustion gas nozzle (13)
  • a first guide member (34) provided at an outer front end portion of the inner peripheral wall (29) for guiding the flow (17) of the secondary combustion gas outward from the burner central axis side; and the secondary combustion gas nozzle Hold on the outside of the inner wall (29) of (13)
  • the plurality of fin members (36) cooled by the secondary combustion gas flow (17) and held at the tip of the fin members (36) to be spaced from the first guide member (34).
  • a second guide that opens the second combustion gas flow (17) from the first guide member (34) to the upstream side of the secondary combustion gas flow (17) to the outside from the burner central axis side.
  • a member (35) is provided, and between the inner peripheral wall (29) of the secondary combustion gas nozzle (13) reaching the first guide member (34) and the second guide member (35), the secondary guide A space through which a partial flow (17b) of the combustion gas flow (17) flows is provided, and the flow (17) of the secondary combustion gas flows on the front side of the furnace of the second guide member (35) (17b).
  • the inner diameter of the second guide member (35) is smaller than the outer diameter of the first guide member (34), and the outer diameter is the first guide member (34). 3.
  • the front surface of the furnace of the second guide member 35 in the secondary combustion gas flow 17 that is a part of the secondary combustion gas flow 17 rectified by the fin member 36 rectified by the fin member 36.
  • the side flow 17b is ejected along the flame holder sleeve 23b, and since the first guide member 34 is installed at the tip of the flame holder sleeve 23b, it is rectified by the fin member 36, and the second guide member
  • the front side of the second guide member 35 is cooled by the flow 17b of the secondary combustion gas that flows from the gap between the flame holder 35 and the flame holder 23 to the front side (furnace side) of the second guide member 35. Ash adhesion to the second guide member 35 can be prevented.
  • a relatively small circulating flow 19b is formed on the downstream side of the second guide member 35, and there is a possibility that hot gas in the furnace may be involved, and the front side of the first and second guide members 34, 35
  • a relatively large circulation flow 19a is formed on the (furnace side), and these circulation flows 19a and 19b may involve hot gas in the furnace, so that stable flame ignition and flame stability are maintained, It is effective in reducing NOx concentration and reducing unburned components in the combustion ash.
  • the same effect as that of the first aspect of the invention can be obtained except for the effect of the flame holder 23 of the first aspect of the invention.
  • the inner diameter of the second guide member 35 is smaller than the outer diameter of the first guide member 34, and the outer diameter of the second guide member 35 is the first guide member 35.
  • the secondary combustion gas flows 17a and 17b divided into two by the second guide member 35 are ejected in the furnace 41 in the direction perpendicular to the burner central axis.
  • the flow path of the secondary combustion gas on the furnace rear side of the second guide member 35 through which the flow 17a of the secondary combustion gas flows becomes sufficiently long, and the flow 17b on the furnace front side of the second guide member 35.
  • FIG. 1 is a cross-sectional view showing a solid fuel burner structure according to Embodiment 1.
  • FIG. It is a figure which shows the gas flow in case the outer diameter of the 1st and 2nd guide member of Example 1 is the same. It is a figure which shows a gas flow in case there is no 1st guide member as a comparative example of Example 1.
  • FIG. It is sectional drawing which shows the solid fuel burner structure by Example 2 of this invention. It is a figure which shows installation of a guide member among the solid fuel burner structures by Example 2.
  • FIG. 1 is a cross-sectional view showing a solid fuel burner structure according to Embodiment 1.
  • FIG. It is a figure which shows the gas flow in case the outer diameter of the 1st and 2nd guide member of Example 1 is the same. It is a figure which shows a gas flow in case there is no 1st guide member as a comparative example of Example 1.
  • FIG. It is sectional drawing which shows the solid fuel burner structure by Example 2 of this invention. It is
  • FIG. 1 is an enlarged view of an installation portion of a guide member of the solid fuel burner described in FIG. 2, and FIG. 2 is a cross-sectional view of the solid fuel burner of this embodiment.
  • the solid fuel burner is disposed so as to be inserted into the burner throat 30 of the furnace wall provided with the water pipe 31, and has an oil gun 24 for auxiliary combustion at the center shaft portion thereof, and is used for fuel jet around the auxiliary oil gun 24.
  • a fuel nozzle 11 that ejects a mixed flow 16 of fuel and its carrier gas.
  • the auxiliary oil gun 24 provided through the central axis of the fuel nozzle 11 is used for fuel ignition when the solid fuel burner is started.
  • a concentrator (obstacle) 33 is disposed on the outer periphery of the oil gun 24, and a flow path reducing member (venturi) 32 is disposed on the upstream side of the concentrator 33.
  • the mixed flow 16 is deflected in the direction of the arrow by these obstacles 32 and 33 to increase the density of the solid fuel particles inside the inner peripheral wall 29 of the fuel nozzle 11, so that the solid fuel is at the outlet of the fuel nozzle 11. It becomes easy to ignite.
  • a wind box 26 into which combustion air is introduced is provided outside the fuel nozzle 11 on the furnace wall. Inside the wind box 26, an outer air nozzle for air ejection concentric with the fuel nozzle 11, that is, secondary air. A nozzle 13 and a tertiary air nozzle 14 are provided. The tertiary air nozzle 14 is provided with a swirler 28 for applying a swirling force to the air.
  • the swirler 28 imparts a swirling force to the tertiary air ejected from the tertiary air nozzle 14, at the burner outlet, the fuel jet from the fuel nozzle 11, that is, the mixed flow 16 of the fuel and its carrier gas and the secondary air nozzle 13
  • the mixed stream 16 and the tertiary air stream 18 are in the opposite direction. Is induced.
  • the circulating flow 19 is composed of a circulating flow 19 a formed on the downstream side of the flame holder 23 and a circulating flow 19 b formed on the downstream side of the first guide member 34.
  • high-temperature gas generated by fuel combustion flows from the downstream side in the furnace 41 and stays there.
  • the high temperature gas and the fuel particles in the mixed stream 16 are mixed at the outlet of the solid fuel burner, and further, the temperature of the fuel particles is increased by the radiant heat from the furnace 41 and ignited.
  • a guide sleeve 25 that ejects tertiary air to the outside of the solid fuel jet is provided at the tip (furnace side outlet) of the inner peripheral wall 38 of the tertiary air nozzle 14.
  • the partition wall (inner peripheral wall of the secondary air nozzle 13) 29 between the fuel nozzle 11 and the secondary air nozzle 13 the solid fuel jetted from the fuel nozzle 11 and its mixed gas 16 and jetted from the secondary nozzle 13.
  • a flame holder 23 comprising a flame holder base material 23a and a flame holder sleeve 23b is provided.
  • the two guide members 34 and 35 are provided so as to be ejected into the furnace 41 outward from the flow 18.
  • the first guide member 34 and the second guide member 35 are arranged with an interval in the flow direction of the combustion air.
  • the first guide member 34 is provided at the tip of the flame stabilizer sleeve 23b, and the jet angle of the secondary air flow 17 deflected by the first guide member 34 and jetted into the furnace 41 with respect to the burner central axis is tertiary.
  • the air flow 18 is installed so as to spread outside the jet angle with respect to the burner central axis.
  • the first guide member 34, the second guide member 35, and the guide sleeve 25 are outwardly formed with the oil gun 24 corresponding to the burner central axis.
  • the angles are ⁇ A1 , ⁇ A2 , and ⁇ B , respectively ⁇ A1 > ⁇ B , ⁇ A2 > ⁇ B
  • the secondary air flow 17 and The circulation flows 19a and 19b are easily formed by intersecting with the flow 18 of the tertiary air.
  • the second guide member 35 is installed in the same direction as the first guide member 34 with respect to the burner central axis, but is installed upstream of the first guide member 34 inside the burner. In addition, a gap is generated between the second guide member 35 and the flame holder sleeve 23b.
  • the distance between the first guide member 34 and the second guide member 35 is equal to the distance between the second guide member 35 and the flame holder 23.
  • the secondary air flow 17 passes between the guide sleeve 25 and the second guide member 35 and is injected into the furnace 41 between the second guide member 35 and the first guide member 34. It consists of a secondary air jet 17b that passes through into the furnace 41, and the secondary air jets 17a and 17b are jetted outwardly with respect to the burner central axis rather than the tertiary air flow 18.
  • a fin member 36 is connected to the tip of the second guide member 35, and the fin member 36 is attached on the outer peripheral wall of the flame holder 23 in an upright manner along the gas flow direction. Further, a plurality of fin members 36 are provided radially and evenly in the circumferential direction of the flame holder 23 at a pitch of 30 to 50 mm. By installing a plurality of fin members 36 at narrow intervals, the secondary air jets 17a and 17b can be rectified.
  • the secondary air jet 17 a rectified by the fin member 36 flows along the second guide member 35 with respect to the burner central axis. It ejects into the furnace 41 toward the outside in the vertical direction. With this flow, the flame holder 23 and the second guide member 35 are cooled, and burner burnout due to radiation from inside the furnace 41 can be prevented.
  • the secondary air jet 17b which is a part of the secondary air flow 17 rectified by the fin member 36, flows into the flame stabilizer sleeve 23b. Erupt along.
  • the secondary air jet 17b rectified by the fin member 36 flows along the first guide member 34 along the central axis of the burner. Erupts in the vertical direction.
  • the jet 17b flows between the first guide member 34 and the second guide member 35, and forms a flow along the surface side of the second guide member 35 on the furnace 41 side.
  • a relatively small circulating flow 19b is formed on the downstream side of the second guide member 35, and there is a possibility that hot gas in the furnace is entrained. Therefore, there is a possibility of burning of the second guide member 35, ash adhesion to the second guide member 35, etc., but the secondary air jet 17b generated in the gap between the first and second guide members 34, 35 Thus, it is possible to prevent ash adhesion or the like on the second guide member 35.
  • the inner diameter of the second guide member 35 is smaller than the outer diameter of the first guide member 34, and the outer diameter of the second guide member 35 is larger than the outer diameter of the first guide member 34.
  • the secondary air jet 17b is ejected in a direction perpendicular to the burner central axis to prevent ash from adhering to the surface of the second guide member 35.
  • FIG. 3 shows the secondary air jets 17a and 17b and the circulation flows 19a and 19b when the outer diameters of the first guide member 34 and the second guide member 35 are substantially equal.
  • the secondary guide member 35 has a cooling effect by the secondary air jet 17 b passing between the first guide member 34 and the second guide member 35.
  • a small circulating flow 19b can be formed on the downstream side of the second guide member 35, there is a concern that the second guide member 35 may burn out or adhere to ash.
  • FIG. 4 shows, as a comparative example of the present invention, secondary air jets 17a and 17b when the first guide member 34 is substantially absent.
  • the secondary air flow 17b which is a part of the secondary air flow 17
  • the cooling air does not flow on the front side (furnace side) of the second guide member 35, and a small circulating flow 19 b generated by the second guide member 35 is formed on the surface side of the second guide member 35.
  • the high temperature gas containing ash in the furnace 41 touches the surface of the second guide member 35 to cause burning or ash adhesion. Therefore, the shorter first guide member 34 than the second guide member 35 is effective in preventing ash adhesion and burning.
  • the secondary air flow 17 is jetted into the furnace 41 outside the tertiary air flow 18 by the first and second guide members 34, 35. It is accompanied by the jet of the tertiary air flow 18 without disturbing the region of the circulating flow 19 that is formed.
  • ash adhesion to the two guide members 34 and 35 is also suppressed, disturbance of the regions of the circulating flow 19a and 19b due to ash adhesion to the two guide members 34 and 35 is also suppressed. Therefore, solid fuel ignition and flame stability are maintained, and stable combustion is possible, which is effective in reducing NOx concentration and reducing unburned components in the combustion ash.
  • a fin member is installed in a flame holder.
  • a second guide member 35 is provided at the tip of the fin member 36.
  • the secondary air flow 17 is a jet that flows along the inside of the second guide member 35. 17a and the jet 17b flowing through the gap between the second guide member 35 and the flame stabilizer sleeve 23b.
  • the jet 17a cools the second guide member 35 from the inside, and the jet 17b flows toward the tertiary air nozzle 14 along the second guide member 35 by the first guide member 34. It becomes possible to prevent ash adhesion to the surface of the guide member 35.
  • the secondary air jet 17b can prevent not only burning by cooling of the flame holder 23 and the second guide member 35 but also prevention of ash adhesion to the flame holder 23 and the second guide member 35. Fuel ignition and flame stability are improved.
  • first guide member 34 and the second guide member 35 are provided in the present embodiment.
  • the main guide member 35 is provided on the fin member 36 so that the single guide member is used.
  • the temperature around the two guide members 35 is reduced by 250 ° C., and the first and second guide members 34 and 35 can be prevented from being burned out.
  • FIG. 5 is a sectional view showing the structure of a solid fuel burner according to the second embodiment of the present invention, and FIG. In the present embodiment, the partition wall between the fuel nozzle 11 and the secondary air nozzle 13 (the outer tip of the inner peripheral wall 29 of the secondary air nozzle 13 is removed from the portion corresponding to the flame holder 23 in the first embodiment). Is.
  • a first guide member 34 that guides the secondary air flow 17 outward from the burner central axis side is provided at the outer tip of the inner peripheral wall 29 of the secondary air gas nozzle 13, and the inner peripheral wall 29 of the secondary air nozzle 13 is provided.
  • a plurality of fin members 36 that are cooled by the secondary air flow 17 are attached to the outside of the first guide member 34, and a plurality of fin members 36 that are cooled by the secondary air flow 17 are spaced from the first guide member 34 at the tip of the fin member 36.
  • a second guide member 35 that guides the secondary air flow 17 outward from the burner central axis side is provided on the upstream side of 17.
  • a space through which a part of the secondary air flow 17 flows is provided between the inner peripheral wall 29 of the secondary air nozzle 13 reaching the first guide member 34 and the second guide member 35, and the secondary air flow 17.
  • a relatively small circulating flow 19b is formed on the downstream side of the second guide member 35, and there is a possibility that hot gas in the furnace is involved. Therefore, there is a possibility that the second guide member 35 is burned out, ash adheres to the second guide member 35, etc., but the secondary air jet 17b generated in the gap between the first and second guide members 34 and 35 Thus, it is possible to prevent ash adhesion or the like on the second guide member 35.
  • the inner diameter of the second guide member 35 is made smaller than the outer diameter of the first guide member 34, and the outer diameter of the second guide member 35 is made smaller than the outer diameter of the first guide member 34.
  • the outward angle of the first guide member 34 and the second guide member 35 with respect to the burner central axis is larger than the outward angle of the guide sleeve 25 with respect to the burner central axis, the secondary air flows at the burner outlet. Since the flow 17 and the tertiary air flow 18 intersect, the circulation flow 19b is easily formed.
  • the fin member 36 shows an example in which the position on the burner outlet end side is up to the back side of the second guide member 35 (the inside of the boiler is the front side). It may extend to the back side of the first guide member 34, and may have any height in the burner radial direction, length in the axial direction, and the shape shown in the burner side view of FIG.
  • the fin member 36 is cooled by the secondary air flow 17 and holds the second guide member 35, and the secondary air flow 17 is moved by the second guide member 35 to its front side and back side. It is sufficient that a gap is formed between the second guide member 35 and the secondary air nozzle inner peripheral wall 29 continuous from the fuel nozzle 11 to the first guide member 34. .
  • pulverized coal obtained by pulverizing coal is used as the fuel and air is used as the combustion gas.
  • the present invention is not limited by the fuel type or the composition of the combustion gas. Absent.
  • solid fuel it can be applied to all solid fuels such as lignite and various biomass in addition to coal, and as combustion gas, recirculated combustion exhaust gas, mixed gas of air or oxygen and combustion exhaust gas, etc. may be used. it can.
  • first guide member 34, the second guide member 35, the fin member 36, and the fuel nozzle 11 are expressed as independent members, but some or all of them are manufactured by casting or the like. Those formed integrally and continuously are also included in the scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Gas Burners (AREA)
PCT/JP2012/004764 2011-07-29 2012-07-26 固体燃料バーナ WO2013018328A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020137033617A KR101560076B1 (ko) 2011-07-29 2012-07-26 고체연료 버너
EP12820064.9A EP2738461B1 (en) 2011-07-29 2012-07-26 Solid fuel burner
AU2012291497A AU2012291497B2 (en) 2011-07-29 2012-07-26 Solid fuel burner

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-166366 2011-07-29
JP2011166366A JP5794419B2 (ja) 2011-07-29 2011-07-29 固体燃料バーナ

Publications (1)

Publication Number Publication Date
WO2013018328A1 true WO2013018328A1 (ja) 2013-02-07

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PCT/JP2012/004764 WO2013018328A1 (ja) 2011-07-29 2012-07-26 固体燃料バーナ

Country Status (7)

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EP (1) EP2738461B1 (ko)
JP (1) JP5794419B2 (ko)
KR (1) KR101560076B1 (ko)
AU (1) AU2012291497B2 (ko)
MY (1) MY155735A (ko)
PL (1) PL2738461T3 (ko)
WO (1) WO2013018328A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11519600B2 (en) * 2017-12-26 2022-12-06 Mitsubishi Heavy Industries, Ltd. Solid fuel burner and flame stabilizer for solid fuel burner

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Publication number Priority date Publication date Assignee Title
JP6301650B2 (ja) * 2013-12-27 2018-03-28 川崎重工業株式会社 石油ピッチ燃料用バーナおよびその使用方法
JP6304872B2 (ja) * 2014-02-12 2018-04-04 三菱日立パワーシステムズ株式会社 バーナ、およびそれを用いたボイラ、バーナの燃焼方法
JP6326593B2 (ja) * 2014-02-14 2018-05-23 三菱日立パワーシステムズ株式会社 バーナ装置、およびそれを用いたボイラ、バーナ装置の燃焼方法
JP6797714B2 (ja) * 2017-02-22 2020-12-09 三菱パワー株式会社 燃焼装置
JP6615252B2 (ja) * 2018-03-01 2019-12-04 川崎重工業株式会社 石油ピッチ燃料用バーナおよびその使用方法
JP6813533B2 (ja) 2018-05-22 2021-01-13 三菱パワー株式会社 バーナおよび燃焼装置
IT201900020508A1 (it) * 2019-11-06 2021-05-06 Ac Boilers S P A Gruppo bruciatore, metodo per operare detto gruppo bruciatore e impianto comprendente detto gruppo bruciatore

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JP2013029270A (ja) 2013-02-07
EP2738461A1 (en) 2014-06-04
KR20140051858A (ko) 2014-05-02
JP5794419B2 (ja) 2015-10-14
AU2012291497A1 (en) 2013-11-21
PL2738461T3 (pl) 2017-02-28
EP2738461B1 (en) 2016-09-14
KR101560076B1 (ko) 2015-10-13
EP2738461A4 (en) 2015-04-15
MY155735A (en) 2015-11-17
AU2012291497B2 (en) 2015-04-09

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