JPH01129510U - - Google Patents
Info
- Publication number
- JPH01129510U JPH01129510U JP2384488U JP2384488U JPH01129510U JP H01129510 U JPH01129510 U JP H01129510U JP 2384488 U JP2384488 U JP 2384488U JP 2384488 U JP2384488 U JP 2384488U JP H01129510 U JPH01129510 U JP H01129510U
- Authority
- JP
- Japan
- Prior art keywords
- coal
- combustor
- melting
- air
- pulverizer
- 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 14
- 230000008018 melting Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims 2
- 238000002309 gasification Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 2
Landscapes
- Solid-Fuel Combustion (AREA)
- Combustion Of Fluid Fuel (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
第１図は本考案の一実施例の燃焼系統の概念図
、第２図は空気量制御の概念図、第３図は灰の溶
融温度特性図、第４図はＮＯｘ発生特性図、第５
図は従来のボイラの燃焼系統の概念図である。
１：ボイラ本体、２：火炉、３：石炭貯槽、４
：給炭機、５：一次混合気管（給炭管）、６：一
次空気ダクト、７：溶融燃焼器、８：二次空気ダ
クト、９：スラグビン、１０：空気予熱器、１１
：押込通風機、１２：主風道、１３：三次空気ダ
クト、１４：微粉炭機、１５：石炭貯槽、１７：
一次混合気投入口、１８：二次空気投入口、１９
：スラグ成形器、２０：成形スラグ搬出管、２１
：三次空気風箱、２２：発生ガス出口管、２３：
四次空気風箱、２４：四次空気ダクト、２５：一
次空気制御ダンパ、２６：二次空気制御ダンパ、
２７：三次空気制御ダンパ、２８：四次空気制御
ダンパ。
Figure 1 is a conceptual diagram of the combustion system of an embodiment of the present invention, Figure 2 is a conceptual diagram of air amount control, Figure 3 is a diagram of ash melting temperature characteristics, Figure 4 is a diagram of NOx generation characteristics, and Figure 5 is a diagram of NOx generation characteristics.
The figure is a conceptual diagram of the combustion system of a conventional boiler. 1: Boiler body, 2: Furnace, 3: Coal storage tank, 4
: Coal feeder, 5: Primary mixture pipe (coal feed pipe), 6: Primary air duct, 7: Melting combustor, 8: Secondary air duct, 9: Slag bin, 10: Air preheater, 11
: Forced draft fan, 12: Main air duct, 13: Tertiary air duct, 14: Pulverized coal machine, 15: Coal storage tank, 17:
Primary mixture inlet, 18: Secondary air inlet, 19
: Slag former, 20: Molded slag discharge pipe, 21
: Tertiary air wind box, 22: Generated gas outlet pipe, 23:
Quaternary air wind box, 24: Quaternary air duct, 25: Primary air control damper, 26: Secondary air control damper,
27: Tertiary air control damper, 28: Quaternary air control damper.
Claims (1)
粉砕された微粉炭をガス化燃焼させる石炭溶融燃
焼器と、同石炭溶融燃焼器で発生したガス化燃料
を燃焼させる火炉と、上記石炭溶融燃焼器の灰出
口部に設けられたスラグ成形器と、上記微粉炭機
に微粉炭搬送用の一次空気を送給する手段と、上
記石炭溶融燃焼器にガス化燃焼用の二次空気を送
給する手段と、上記火炉にガス化燃料燃焼用の三
次空気を送給する手段とを具備したことを特徴と
するボイラ。 A coal pulverizer that crushes coal, a coal melting combustor that gasifies and burns the pulverized coal that has been crushed by the coal pulverizer, a furnace that burns the gasified fuel generated in the coal melting combustor, and the above-mentioned coal melter. A slag former provided at the ash outlet of the combustor, a means for supplying primary air for transporting pulverized coal to the pulverizer, and a means for supplying secondary air for gasification combustion to the coal melting combustor. A boiler comprising means for supplying tertiary air for combustion of gasified fuel to the furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2384488U JPH01129510U (en) | 1988-02-26 | 1988-02-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2384488U JPH01129510U (en) | 1988-02-26 | 1988-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01129510U true JPH01129510U (en) | 1989-09-04 |
Family
ID=31243179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2384488U Pending JPH01129510U (en) | 1988-02-26 | 1988-02-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01129510U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003031873A1 (en) * | 2001-10-05 | 2003-04-17 | Kawasaki Jukogyo Kabushiki Kaisha | Ash melting type u-firing combustion boiler and method of operating the boiler |
| CN104534458A (en) * | 2014-12-30 | 2015-04-22 | 山西蓝天环保设备有限公司 | Boiler adopting low-ash-fusion coal for combustion of vertical extended furnace |
| CN104534457A (en) * | 2014-12-24 | 2015-04-22 | 山西蓝天环保设备有限公司 | Boiler firing inferior coal with low volatile content and high ash content |
-
1988
- 1988-02-26 JP JP2384488U patent/JPH01129510U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003031873A1 (en) * | 2001-10-05 | 2003-04-17 | Kawasaki Jukogyo Kabushiki Kaisha | Ash melting type u-firing combustion boiler and method of operating the boiler |
| CN1318795C (en) * | 2001-10-05 | 2007-05-30 | 川崎重工业株式会社 | Ash melting type U-firing combustion boiler and method of operating the boiler |
| CN104534457A (en) * | 2014-12-24 | 2015-04-22 | 山西蓝天环保设备有限公司 | Boiler firing inferior coal with low volatile content and high ash content |
| CN104534458A (en) * | 2014-12-30 | 2015-04-22 | 山西蓝天环保设备有限公司 | Boiler adopting low-ash-fusion coal for combustion of vertical extended furnace |
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