JPS6438418U - - Google Patents
Info
- Publication number
- JPS6438418U JPS6438418U JP12719987U JP12719987U JPS6438418U JP S6438418 U JPS6438418 U JP S6438418U JP 12719987 U JP12719987 U JP 12719987U JP 12719987 U JP12719987 U JP 12719987U JP S6438418 U JPS6438418 U JP S6438418U
- Authority
- JP
- Japan
- Prior art keywords
- air
- air flow
- regulating valve
- flow rate
- flow passage
- 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
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Air Supply (AREA)
- Combustion Of Fluid Fuel (AREA)
Description
第１図は本考案の第１の実施例の説明図、第２
図は本考案の第２の実施例の説明図、第３図はボ
イラ火炉の一例の説明図、第４図は従来の流速調
整型オーバーエアポートの説明図である。 図中、１は空気噴射孔、４は本体、５は可変中
子、６は空気流通路、７はダンパー、８は空気流
入口、９は針弁を示す。
図は本考案の第２の実施例の説明図、第３図はボ
イラ火炉の一例の説明図、第４図は従来の流速調
整型オーバーエアポートの説明図である。 図中、１は空気噴射孔、４は本体、５は可変中
子、６は空気流通路、７はダンパー、８は空気流
入口、９は針弁を示す。
Claims (1)
- ボイラ火炉の２段燃焼に使用する流速調整型オ
ーバーエアポートにおいて、空気の流速を調整す
る可変中子の軸心に軸線方向へ通る小口径の空気
流通路を穿設し、該空気流通路の光端を漏斗状に
形成し、その漏斗状先端の直後の空気流通路に空
気調整弁を設け、該空気調整弁の後方に空気流入
口を設けたことを特徴とするオーバーエアポート
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12719987U JPS6438418U (ja) | 1987-08-21 | 1987-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12719987U JPS6438418U (ja) | 1987-08-21 | 1987-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6438418U true JPS6438418U (ja) | 1989-03-08 |
Family
ID=31379412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12719987U Pending JPS6438418U (ja) | 1987-08-21 | 1987-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6438418U (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7681508B2 (en) | 2004-11-02 | 2010-03-23 | Babcock-Hitachi K.K. | After-air nozzle for two-stage combustion boiler, and a two-stage combustion boiler, boiler and combustion method using the same |
| US7878130B2 (en) | 2004-11-04 | 2011-02-01 | Babcock-Hitachi K.K. | Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility |
-
1987
- 1987-08-21 JP JP12719987U patent/JPS6438418U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7681508B2 (en) | 2004-11-02 | 2010-03-23 | Babcock-Hitachi K.K. | After-air nozzle for two-stage combustion boiler, and a two-stage combustion boiler, boiler and combustion method using the same |
| EP1653152A3 (en) * | 2004-11-02 | 2012-09-19 | Babcock-Hitachi Kabushiki Kaisha | After-air nozzle for two-stage combustion boiler, two-stage combustion boiler and combustion method using the same |
| US7878130B2 (en) | 2004-11-04 | 2011-02-01 | Babcock-Hitachi K.K. | Overfiring air port, method for manufacturing air port, boiler, boiler facility, method for operating boiler facility and method for improving boiler facility |
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