JPH01144608U - - Google Patents
Info
- Publication number
- JPH01144608U JPH01144608U JP3720588U JP3720588U JPH01144608U JP H01144608 U JPH01144608 U JP H01144608U JP 3720588 U JP3720588 U JP 3720588U JP 3720588 U JP3720588 U JP 3720588U JP H01144608 U JPH01144608 U JP H01144608U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- pulverized coal
- center
- nozzles
- burner
- 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.)
- Pending
Links
- 239000003245 coal Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000000295 fuel oil Substances 0.000 description 2
Description
第１〜２図は本発明の一実施例であり、第１図
は低負荷用１次空気スロート（スロート２）およ
び定格負荷用１次空気スロート（スロート３）の
それぞれの先端部を摺動可能にした微粉炭バーナ
の側断面図、第２図は第１図のスロート先端部の
拡大図である。第３図は従来技術の例である。
１……重油ガン、２……低負荷用１次空気スロ
ート、３……定格負荷用１次空気スロート、４…
…ウインドボツクス、５……２次空気スロート、
６……３次空気スロート、７……定格負荷用１次
空気スロート駆動装置、７′……低負荷用１次空
気スロート駆動装置、８……低負荷用１次空気ス
ロート用微粉炭・空気供給口、９……定格負荷用
１次空気スロート用微粉炭・空気供給口、１０…
…２次空気供給口、１１……３次空気供給口、１
２……低負荷用１次空気スロート用保炎機構、１
３……定格負荷用１次空気スロート用保炎機構、
１４……１次空気スロート外筒、１５……１次空
気スロート保炎板、１６……２次空気スロート外
筒、１７……低負荷運転位置、１８……定格負荷
運転位置、５１……重油ガン、５２……低負荷ノ
ズル、５３……高負荷ノズル、５４……ウインド
ボツクス、５５……２次空気スロート、５６……
３次空気スロート、５７……低負荷ノズル用微粉
炭・空気供給口、５８……高負荷ノズル用微粉炭
・空気供給口、５９……２次空気供給口、６０…
…３次空気供給口。
Figures 1 and 2 show an embodiment of the present invention, and Figure 1 shows the sliding end portions of the primary air throat for low loads (throat 2) and the primary air throat for rated loads (throat 3). FIG. 2 is an enlarged view of the throat tip of FIG. 1, which is a side sectional view of the pulverized coal burner. FIG. 3 is an example of the prior art. 1...Heavy oil gun, 2...Primary air throat for low load, 3...Primary air throat for rated load, 4...
...Wind box, 5...Secondary air throat,
6... Tertiary air throat, 7... Primary air throat drive device for rated load, 7'... Primary air throat drive device for low load, 8... Pulverized coal/air for primary air throat for low load Supply port, 9... Pulverized coal/air supply port for primary air throat for rated load, 10...
...Secondary air supply port, 11...Tertiary air supply port, 1
2...Flame holding mechanism for primary air throat for low load, 1
3...Flame holding mechanism for primary air throat for rated load,
14...Primary air throat outer cylinder, 15...Primary air throat flame holding plate, 16...Secondary air throat outer cylinder, 17...Low load operating position, 18...Rated load operating position, 51... Heavy oil gun, 52...Low load nozzle, 53...High load nozzle, 54...Wind box, 55...Secondary air throat, 56...
Tertiary air throat, 57...Pulverized coal/air supply port for low load nozzle, 58...Pulverized coal/air supply port for high load nozzle, 59...Secondary air supply port, 60...
...Tertiary air supply port.
Claims (1)
が低負荷時専用の微粉炭ノズルであり、中心部ノ
ズルに隣接する層のノズルが低負荷時における微
粉炭燃焼用２次空気ノズルと高負荷時における微
粉炭ノズルであり、中心部より３層目以遠のノズ
ルが高負荷時の微粉炭燃焼用２次空気および３次
空気ノズルであるバーナにおいて、中心部ノズル
および中心部ノズルに隣接する層の各ノズルの先
端部をそれぞれのノズルに接してバーナの軸方向
に摺動可能にしたことを特徴とする微粉炭バーナ
の構造。 ２ バーナの軸方向に摺動可能に取設した、中心
部ノズルおよび中心部ノズルに隣接する層のノズ
ルの先端部内側に非金属性成形耐火物を嵌合した
請求項１．記載の微粉炭バーナの構造。[Claims for Utility Model Registration] 1. A pulverized coal nozzle having a concentric multiple structure nozzle, with the center nozzle being used exclusively for low-load conditions, and the nozzles in the layer adjacent to the center nozzle being used for pulverized coal combustion during low-load conditions. The secondary air nozzle is the pulverized coal nozzle at high loads, and the nozzles from the center to the third layer are the secondary air and tertiary air nozzles for pulverized coal combustion at high loads. A structure of a pulverized coal burner characterized in that the tip of each nozzle in a layer adjacent to a central nozzle is in contact with each nozzle and is slidable in the axial direction of the burner. 2. Claim 1. A non-metallic molded refractory is fitted inside the tips of the center nozzle and the nozzles of the layer adjacent to the center nozzle, which are slidably attached in the axial direction of the burner. The structure of the pulverized coal burner described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720588U JPH01144608U (en) | 1988-03-23 | 1988-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3720588U JPH01144608U (en) | 1988-03-23 | 1988-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01144608U true JPH01144608U (en) | 1989-10-04 |
Family
ID=31263785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3720588U Pending JPH01144608U (en) | 1988-03-23 | 1988-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01144608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011252625A (en) * | 2010-05-31 | 2011-12-15 | Ihi Corp | Pulverized coal burner |
| JP2015215119A (en) * | 2014-05-09 | 2015-12-03 | 株式会社Ihi | Burner |
| JP2018204909A (en) * | 2017-06-08 | 2018-12-27 | 株式会社Ihi | Burner |
-
1988
- 1988-03-23 JP JP3720588U patent/JPH01144608U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011252625A (en) * | 2010-05-31 | 2011-12-15 | Ihi Corp | Pulverized coal burner |
| JP2015215119A (en) * | 2014-05-09 | 2015-12-03 | 株式会社Ihi | Burner |
| JP2018204909A (en) * | 2017-06-08 | 2018-12-27 | 株式会社Ihi | Burner |
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