JPS6397012U - - Google Patents
Info
- Publication number
- JPS6397012U JPS6397012U JP18878386U JP18878386U JPS6397012U JP S6397012 U JPS6397012 U JP S6397012U JP 18878386 U JP18878386 U JP 18878386U JP 18878386 U JP18878386 U JP 18878386U JP S6397012 U JPS6397012 U JP S6397012U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- burners
- burner
- flow path
- combustion air
- 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
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 239000002826 coolant Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- 239000000112 cooling gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
Description
第１図は、本考案の一実施例を示すバーナ冷却
装置を有するバーナの構造図、第２図は、従来技
術におけるボイラ全体の概略系統図、第３図は、
従来の低ＮＯｘバーナの構造図、第４図は、従来
のバーナ廻りの風箱の構造図、第５図は、従来技
術におけるボイラ起動時のＮＯｘ発生量等の経時
変化を示す図である。
５……排ガス注入ダクト、６……排ガス注入ダ
ンパ、８……排ガス、３１……冷却ガスダクト、
３２……冷却ガスダンパ。
Fig. 1 is a structural diagram of a burner having a burner cooling device showing an embodiment of the present invention, Fig. 2 is a schematic system diagram of the entire boiler according to the prior art, and Fig. 3 is a
FIG. 4 is a structural diagram of a conventional low NOx burner, and FIG. 4 is a structural diagram of a conventional wind box around the burner. FIG. 5 is a diagram showing changes over time in the amount of NOx generated during boiler startup in the conventional technology. 5...Exhaust gas injection duct, 6...Exhaust gas injection damper, 8...Exhaust gas, 31...Cooling gas duct,
32...Cooling gas damper.
Claims (1)
排ガスを再循環する流路を有する低ＮＯｘバーナ
を多数配置したバーナ装置において、休止中のバ
ーナの焼損を防止するために、該バーナの燃焼用
空気流路へ冷却媒体として排ガス再循環流路から
分岐した排ガスを導入する手段を設けたことを特
徴とするバーナ冷却装置。 In a burner installation that includes a large number of low NOx burners that have individual combustion air passages and passages that recirculate exhaust gas to the vicinity of the burners, the combustion air of the burners is A burner cooling device comprising means for introducing exhaust gas branched from an exhaust gas recirculation flow path into the flow path as a cooling medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18878386U JPS6397012U (en) | 1986-12-08 | 1986-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18878386U JPS6397012U (en) | 1986-12-08 | 1986-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6397012U true JPS6397012U (en) | 1988-06-23 |
Family
ID=31140468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18878386U Pending JPS6397012U (en) | 1986-12-08 | 1986-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6397012U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117007A (en) * | 1980-02-18 | 1981-09-14 | Mitsubishi Heavy Ind Ltd | Burning method of plural burners |
| JPS57166409A (en) * | 1981-04-07 | 1982-10-13 | Babcock Hitachi Kk | Low nox boiler |
-
1986
- 1986-12-08 JP JP18878386U patent/JPS6397012U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117007A (en) * | 1980-02-18 | 1981-09-14 | Mitsubishi Heavy Ind Ltd | Burning method of plural burners |
| JPS57166409A (en) * | 1981-04-07 | 1982-10-13 | Babcock Hitachi Kk | Low nox boiler |
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