JPS63197909U - - Google Patents

Info

Publication number
JPS63197909U
JPS63197909U JP8487687U JP8487687U JPS63197909U JP S63197909 U JPS63197909 U JP S63197909U JP 8487687 U JP8487687 U JP 8487687U JP 8487687 U JP8487687 U JP 8487687U JP S63197909 U JPS63197909 U JP S63197909U
Authority
JP
Japan
Prior art keywords
pulverized coal
fuel supply
secondary fuel
supply pipe
swirling chamber
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.)
Granted
Application number
JP8487687U
Other languages
Japanese (ja)
Other versions
JPH0729366Y2 (en
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 filed Critical
Priority to JP1987084876U priority Critical patent/JPH0729366Y2/en
Publication of JPS63197909U publication Critical patent/JPS63197909U/ja
Application granted granted Critical
Publication of JPH0729366Y2 publication Critical patent/JPH0729366Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の実施例を示す微粉炭三段燃
焼装置の要部の垂直縦断面図、第２図は第１図中
の―線に沿う断面図、第３図はこの考案の装
置を用いるフローシート、第４図は試験１の結果
を示す負荷とイグニツシヨンロスおよびＮＯｘと
の関係のグラフ、第５図は試験２の結果を示す燃
料比とイグニツシヨンロスの関係のグラフ、第６
図は従来技術を示すフローシートである。 Fig. 1 is a vertical cross-sectional view of the main parts of a three-stage pulverized coal combustion device showing an embodiment of this invention, Fig. 2 is a sectional view taken along the line - in Fig. 1, and Fig. 3 is a device of this invention. Figure 4 is a graph of the relationship between load, ignition loss and NOx showing the results of Test 1, and Figure 5 is a graph of the relationship between fuel ratio and ignition loss showing the results of Test 2. , 6th
The figure is a flow sheet showing the prior art.

Claims (1)

【実用新案登録請求の範囲】 (1) 一次燃料を燃焼させるための微粉炭バーナ
３とＮＯｘ還元用の二次燃料供給ノズル４とを備
えた微粉炭三段燃焼装置において、微粉炭バーナ
３の一次燃料供給筒９の後流端に微粉炭旋回室１
１が設けられ、同室１１の入口１１ａに微粉炭流
れ方向調整用の角度可変案内羽根１２が設けられ
、微粉炭旋回室１１の中心部１１ｂに二次燃料抜
き出し口１３が設けられて、同口１３から二次燃
料供給ノズル４へ二次燃料供給管１４が配設され
ていることを特徴とする、微粉炭三段燃焼装置。 (2) 二次燃料供給管１４に二次燃料流量調整用
のダンパ１５が設けられている、実用新案登録請
求の範囲第１項記載の装置。 (3) 旋回室１１と一次燃料供給筒９の間に、先
細りコーン状の整流用の絞り部１６が設けられて
いる、実用新案登録請求の範囲第１または第２項
記載の装置。[Scope of Claim for Utility Model Registration] (1) In a pulverized coal three-stage combustion device equipped with a pulverized coal burner 3 for burning primary fuel and a secondary fuel supply nozzle 4 for NOx reduction, Pulverized coal swirling chamber 1 at the downstream end of the primary fuel supply pipe 9
A variable angle guide vane 12 for adjusting the flow direction of pulverized coal is provided at the inlet 11a of the chamber 11, and a secondary fuel outlet 13 is provided at the center 11b of the pulverized coal swirling chamber 11. A three-stage pulverized coal combustion device characterized in that a secondary fuel supply pipe 14 is arranged from 13 to a secondary fuel supply nozzle 4. (2) The device according to claim 1, wherein the secondary fuel supply pipe 14 is provided with a damper 15 for adjusting the flow rate of the secondary fuel. (3) The device according to claim 1 or 2 of the utility model registration, wherein a tapered cone-shaped flow regulating constriction portion 16 is provided between the swirling chamber 11 and the primary fuel supply cylinder 9.
JP1987084876U 1987-05-29 1987-05-29 Pulverized coal three-stage combustion device Expired - Lifetime JPH0729366Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987084876U JPH0729366Y2 (en) 1987-05-29 1987-05-29 Pulverized coal three-stage combustion device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987084876U JPH0729366Y2 (en) 1987-05-29 1987-05-29 Pulverized coal three-stage combustion device

Publications (2)

Publication Number Publication Date
JPS63197909U true JPS63197909U (en) 1988-12-20
JPH0729366Y2 JPH0729366Y2 (en) 1995-07-05

Family

ID=30939768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987084876U Expired - Lifetime JPH0729366Y2 (en) 1987-05-29 1987-05-29 Pulverized coal three-stage combustion device

Country Status (1)

Country Link
JP (1) JPH0729366Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014506316A (en) * 2011-01-06 2014-03-13 シーメンス エナジー インコーポレイテッド Variable angle nozzle assembly for overfire airport in coal-fired power plant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX343369B (en) 2005-09-23 2016-11-03 Jp Scope Llc Valve apparatus for an internal combustion engine.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58164910A (en) * 1981-12-23 1983-09-29 ライリ−・スト−カ−・コ−ポレ−シヨン Venturi burner nozzle for fine coal
JPS61285306A (en) * 1985-06-12 1986-12-16 Babcock Hitachi Kk Burning method for pulverized carbon fuel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58164910A (en) * 1981-12-23 1983-09-29 ライリ−・スト−カ−・コ−ポレ−シヨン Venturi burner nozzle for fine coal
JPS61285306A (en) * 1985-06-12 1986-12-16 Babcock Hitachi Kk Burning method for pulverized carbon fuel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014506316A (en) * 2011-01-06 2014-03-13 シーメンス エナジー インコーポレイテッド Variable angle nozzle assembly for overfire airport in coal-fired power plant

Also Published As

Publication number Publication date
JPH0729366Y2 (en) 1995-07-05

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